Attachment 341409 Details for Bug 186015 – Patch

[patch] Patch

bug-186015-20180526140515.patch (text/plain), 99.00 KB, created by Sam Weinig on 2018-05-26 14:05:16 PDT

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Creator: Sam Weinig

Created: 2018-05-26 14:05:16 PDT

Size: 99.00 KB

patch

obsolete

>Index: Source/WebCore/ChangeLog
>===================================================================
>--- Source/WebCore/ChangeLog	(revision 232189)
>+++ Source/WebCore/ChangeLog	(working copy)
>@@ -1,3 +1,142 @@
>+2018-05-26  Sam Weinig  <sam@webkit.org>
>+
>+        Modernize RenderStyleConstants.h - Part 3
>+        https://bugs.webkit.org/show_bug.cgi?id=186015
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Modernized the third and final set of enums in RenderStyleConstants.h by:
>+            - Converting them to enum classes
>+            - Renaming them to remove unnecessary prefix 'E's
>+            - Renaming values to take advantage of enum class scoping (e.g. StyleDifferenceEqual -> StyleDifference::Equal)
>+
>+        Modernizes the following enums:
>+            TextDecoration
>+            TextDecorationSkip (renamed from TextDecorationSkipItems)
>+            TextUnderlinePosition
>+            HangingPunctuation
>+            SpeakAs (renamed from ESpeakAs)
>+            TextEmphasisPosition (renamed from TextEmphasisPositions)
>+
>+        This final set of enums are mostly (TextUnderlinePosition isn't really) used as bitmasks,
>+        so this change also converts their uses to use OptionSet. 
>+
>+        * accessibility/AccessibilityObject.h:
>+        (WebCore::AccessibilityObject::speakAsProperty const):
>+        * accessibility/AccessibilityRenderObject.cpp:
>+        (WebCore::AccessibilityRenderObject::speakAsProperty const):
>+        (WebCore::AccessibilityRenderObject::hasPlainText const):
>+        (WebCore::AccessibilityRenderObject::hasUnderline const):
>+        * accessibility/AccessibilityRenderObject.h:
>+        * accessibility/ios/WebAccessibilityObjectWrapperIOS.mm:
>+        (AXAttributeStringSetStyle):
>+        * accessibility/mac/WebAccessibilityObjectWrapperBase.mm:
>+        (-[WebAccessibilityObjectWrapperBase baseAccessibilitySpeechHint]):
>+        * accessibility/mac/WebAccessibilityObjectWrapperMac.mm:
>+        (AXAttributeStringSetStyle):
>+        * css/CSSComputedStyleDeclaration.cpp:
>+        (WebCore::renderTextDecorationFlagsToCSSValue):
>+        (WebCore::renderTextDecorationSkipFlagsToCSSValue):
>+        (WebCore::renderEmphasisPositionFlagsToCSSValue):
>+        (WebCore::speakAsToCSSValue):
>+        (WebCore::hangingPunctuationToCSSValue):
>+        * css/CSSLineBoxContainValue.h:
>+        * css/CSSPrimitiveValueMappings.h:
>+        (WebCore::CSSPrimitiveValue::operator HangingPunctuation const):
>+        (WebCore::CSSPrimitiveValue::operator TextDecoration const):
>+        (WebCore::CSSPrimitiveValue::CSSPrimitiveValue):
>+        (WebCore::CSSPrimitiveValue::operator TextUnderlinePosition const):
>+        (WebCore::CSSPrimitiveValue::operator SpeakAs const):
>+        (WebCore::CSSPrimitiveValue::operator ESpeakAs const): Deleted.
>+        * css/StyleBuilderConverter.h:
>+        (WebCore::StyleBuilderConverter::convertTextDecoration):
>+        (WebCore::StyleBuilderConverter::valueToEmphasisPosition):
>+        (WebCore::StyleBuilderConverter::convertTextEmphasisPosition):
>+        (WebCore::StyleBuilderConverter::convertTextUnderlinePosition):
>+        (WebCore::StyleBuilderConverter::valueToDecorationSkip):
>+        (WebCore::StyleBuilderConverter::convertTextDecorationSkip):
>+        (WebCore::StyleBuilderConverter::convertSpeakAs):
>+        (WebCore::StyleBuilderConverter::convertHangingPunctuation):
>+        * editing/cocoa/EditorCocoa.mm:
>+        (WebCore::Editor::getTextDecorationAttributesRespectingTypingStyle const):
>+        * editing/cocoa/HTMLConverter.mm:
>+        (WebCore::editingAttributedStringFromRange):
>+        * rendering/InlineFlowBox.cpp:
>+        (WebCore::InlineFlowBox::maxLogicalBottomForTextDecorationLine const):
>+        (WebCore::InlineFlowBox::minLogicalTopForTextDecorationLine const):
>+        * rendering/InlineFlowBox.h:
>+        * rendering/InlineTextBox.cpp:
>+        (WebCore::emphasisPositionHasNeitherLeftNorRight):
>+        (WebCore::InlineTextBox::emphasisMarkExistsAndIsAbove const):
>+        (WebCore::InlineTextBox::paint):
>+        (WebCore::InlineTextBox::paintMarkedTextDecoration):
>+        * rendering/RenderBlockFlow.cpp:
>+        (WebCore::RenderBlockFlow::computeInlinePreferredLogicalWidths const):
>+        * rendering/RenderBlockLineLayout.cpp:
>+        (WebCore::setLogicalWidthForTextRun):
>+        (WebCore::RenderBlockFlow::computeInlineDirectionPositionsForSegment):
>+        * rendering/RenderElement.cpp:
>+        (WebCore::RenderElement::enclosingRendererWithTextDecoration const):
>+        * rendering/RenderElement.h:
>+        * rendering/RenderTableSection.cpp:
>+        (WebCore::RenderTableSection::addCell):
>+        * rendering/SimpleLineLayout.cpp:
>+        (WebCore::SimpleLineLayout::canUseForStyle):
>+        (WebCore::SimpleLineLayout::canUseForWithReason):
>+        * rendering/SimpleLineLayoutFunctions.cpp:
>+        (WebCore::SimpleLineLayout::paintFlow):
>+        * rendering/TextDecorationPainter.cpp:
>+        (WebCore::TextDecorationPainter::TextDecorationPainter):
>+        (WebCore::TextDecorationPainter::paintTextDecoration):
>+        (WebCore::collectStylesForRenderer):
>+        (WebCore::TextDecorationPainter::stylesForRenderer):
>+        * rendering/TextDecorationPainter.h:
>+        * rendering/TextPaintStyle.cpp:
>+        (WebCore::computeTextPaintStyle):
>+        * rendering/line/BreakingContext.h:
>+        (WebCore::BreakingContext::handleText):
>+        * rendering/style/RenderStyle.cpp:
>+        (WebCore::RenderStyle::RenderStyle):
>+        (WebCore::RenderStyle::changeAffectsVisualOverflow const):
>+        * rendering/style/RenderStyle.h:
>+        (WebCore::RenderStyle::textDecorationsInEffect const):
>+        (WebCore::RenderStyle::textDecoration const):
>+        (WebCore::RenderStyle::textDecorationSkip const):
>+        (WebCore::RenderStyle::hangingPunctuation const):
>+        (WebCore::RenderStyle::textEmphasisPosition const):
>+        (WebCore::RenderStyle::speakAs const):
>+        (WebCore::RenderStyle::addToTextDecorationsInEffect):
>+        (WebCore::RenderStyle::setTextDecorationsInEffect):
>+        (WebCore::RenderStyle::setTextDecoration):
>+        (WebCore::RenderStyle::setTextDecorationSkip):
>+        (WebCore::RenderStyle::setSpeakAs):
>+        (WebCore::RenderStyle::setTextEmphasisPosition):
>+        (WebCore::RenderStyle::setHangingPunctuation):
>+        (WebCore::RenderStyle::initialHangingPunctuation):
>+        (WebCore::RenderStyle::initialTextDecoration):
>+        (WebCore::RenderStyle::initialTextDecorationSkip):
>+        (WebCore::RenderStyle::initialTextUnderlinePosition):
>+        (WebCore::RenderStyle::initialSpeakAs):
>+        (WebCore::RenderStyle::initialTextEmphasisPosition):
>+        * rendering/style/RenderStyleConstants.h:
>+        (WebCore::operator|): Deleted.
>+        (WebCore::operator|=): Deleted.
>+        * rendering/style/StyleRareInheritedData.cpp:
>+        (WebCore::StyleRareInheritedData::StyleRareInheritedData):
>+        * rendering/style/StyleVisualData.cpp:
>+        (WebCore::StyleVisualData::StyleVisualData):
>+        * rendering/svg/SVGInlineTextBox.cpp:
>+        (WebCore::SVGInlineTextBox::paint):
>+        (WebCore::positionOffsetForDecoration):
>+        (WebCore::thicknessForDecoration):
>+        (WebCore::findRendererDefininingTextDecoration):
>+        (WebCore::SVGInlineTextBox::paintDecoration):
>+        (WebCore::SVGInlineTextBox::paintDecorationWithStyle):
>+        * rendering/svg/SVGInlineTextBox.h:
>+        * style/InlineTextBoxStyle.cpp:
>+        (WebCore::computeUnderlineOffset):
>+        (WebCore::visualOverflowForDecorations):
>+
> 2018-05-25  Zalan Bujtas  <zalan@apple.com>
> 
>         [LFC] Implement border and padding computation
>Index: Source/WebCore/accessibility/AccessibilityObject.h
>===================================================================
>--- Source/WebCore/accessibility/AccessibilityObject.h	(revision 232189)
>+++ Source/WebCore/accessibility/AccessibilityObject.h	(working copy)
>@@ -1013,7 +1013,7 @@ public:
>     bool supportsARIAAttributes() const;
>     
>     // CSS3 Speech properties.
>-    virtual ESpeakAs speakAsProperty() const { return SpeakNormal; }
>+    virtual OptionSet<SpeakAs> speakAsProperty() const { return SpeakAs::Normal; }
> 
>     // Make this object visible by scrolling as many nested scrollable views as needed.
>     virtual void scrollToMakeVisible() const;
>Index: Source/WebCore/accessibility/AccessibilityRenderObject.cpp
>===================================================================
>--- Source/WebCore/accessibility/AccessibilityRenderObject.cpp	(revision 232189)
>+++ Source/WebCore/accessibility/AccessibilityRenderObject.cpp	(working copy)
>@@ -945,7 +945,7 @@ AccessibilityObject* AccessibilityRender
>     return firstAccessibleObjectFromNode(linkedNode);
> }
> 
>-ESpeakAs AccessibilityRenderObject::speakAsProperty() const
>+OptionSet<SpeakAs> AccessibilityRenderObject::speakAsProperty() const
> {
>     if (!m_renderer)
>         return AccessibilityObject::speakAsProperty();
>@@ -3600,7 +3600,7 @@ bool AccessibilityRenderObject::hasPlain
>     const RenderStyle& style = m_renderer->style();
>     return style.fontDescription().weight() == normalWeightValue()
>         && style.fontDescription().italic() == normalItalicValue()
>-        && style.textDecorationsInEffect() == TextDecorationNone;
>+        && style.textDecorationsInEffect() == TextDecoration::None;
> }
> 
> bool AccessibilityRenderObject::hasSameFont(RenderObject* renderer) const
>@@ -3632,7 +3632,7 @@ bool AccessibilityRenderObject::hasUnder
>     if (!m_renderer)
>         return false;
>     
>-    return m_renderer->style().textDecorationsInEffect() & TextDecorationUnderline;
>+    return m_renderer->style().textDecorationsInEffect().contains(TextDecoration::Underline);
> }
> 
> String AccessibilityRenderObject::nameForMSAA() const
>Index: Source/WebCore/accessibility/AccessibilityRenderObject.h
>===================================================================
>--- Source/WebCore/accessibility/AccessibilityRenderObject.h	(revision 232189)
>+++ Source/WebCore/accessibility/AccessibilityRenderObject.h	(working copy)
>@@ -274,7 +274,7 @@ private:
>     bool elementAttributeValue(const QualifiedName&) const;
>     void setElementAttributeValue(const QualifiedName&, bool);
>     
>-    ESpeakAs speakAsProperty() const override;
>+    OptionSet<SpeakAs> speakAsProperty() const override;
>     
>     const String liveRegionStatus() const override;
>     const String liveRegionRelevant() const override;
>Index: Source/WebCore/accessibility/atk/WebKitAccessibleInterfaceText.cpp
>===================================================================
>--- Source/WebCore/accessibility/atk/WebKitAccessibleInterfaceText.cpp	(revision 232189)
>+++ Source/WebCore/accessibility/atk/WebKitAccessibleInterfaceText.cpp	(working copy)
>@@ -162,11 +162,11 @@ static AtkAttributeSet* getAttributeSetF
>         result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_JUSTIFICATION), "fill");
>     }
> 
>-    result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_UNDERLINE), (style->textDecoration() & TextDecorationUnderline) ? "single" : "none");
>+    result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_UNDERLINE), (style->textDecoration() & TextDecoration::Underline) ? "single" : "none");
> 
>     result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_STYLE), style->fontCascade().italic() ? "italic" : "normal");
> 
>-    result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_STRIKETHROUGH), (style->textDecoration() & TextDecorationLineThrough) ? "true" : "false");
>+    result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_STRIKETHROUGH), (style->textDecoration() & TextDecoration::LineThrough) ? "true" : "false");
> 
>     result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_INVISIBLE), (style->visibility() == Visibility::Hidden) ? "true" : "false");
> 
>Index: Source/WebCore/accessibility/ios/WebAccessibilityObjectWrapperIOS.mm
>===================================================================
>--- Source/WebCore/accessibility/ios/WebAccessibilityObjectWrapperIOS.mm	(revision 232189)
>+++ Source/WebCore/accessibility/ios/WebAccessibilityObjectWrapperIOS.mm	(working copy)
>@@ -2265,8 +2265,8 @@ static void AXAttributeStringSetStyle(NS
>     // set basic font info
>     AXAttributeStringSetFont(attrString, style.fontCascade().primaryFont().getCTFont(), range);
>                 
>-    int decor = style.textDecorationsInEffect();
>-    if (decor & TextDecorationUnderline)
>+    auto decor = style.textDecorationsInEffect();
>+    if (decor & TextDecoration::Underline)
>         AXAttributeStringSetNumber(attrString, UIAccessibilityTokenUnderline, @YES, range);
> }
> 
>Index: Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperBase.mm
>===================================================================
>--- Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperBase.mm	(revision 232189)
>+++ Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperBase.mm	(working copy)
>@@ -405,18 +405,18 @@ - (NSString *)baseAccessibilityDescripti
> 
> - (NSArray<NSString *> *)baseAccessibilitySpeechHint
> {
>-    ESpeakAs speak = m_object->speakAsProperty();
>+    auto speak = m_object->speakAsProperty();
>     NSMutableArray<NSString *> *hints = [NSMutableArray array];
>-    if (speak & SpeakSpellOut)
>+    if (speak & SpeakAs::SpellOut)
>         [hints addObject:@"spell-out"];
>     else
>         [hints addObject:@"normal"];
> 
>-    if (speak & SpeakDigits)
>+    if (speak & SpeakAs::Digits)
>         [hints addObject:@"digits"];
>-    if (speak & SpeakLiteralPunctuation)
>+    if (speak & SpeakAs::LiteralPunctuation)
>         [hints addObject:@"literal-punctuation"];
>-    if (speak & SpeakNoPunctuation)
>+    if (speak & SpeakAs::NoPunctuation)
>         [hints addObject:@"no-punctuation"];
>     
>     return hints;
>Index: Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperMac.mm
>===================================================================
>--- Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperMac.mm	(revision 232189)
>+++ Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperMac.mm	(working copy)
>@@ -845,27 +845,27 @@ static void AXAttributeStringSetStyle(NS
>         [attrString removeAttribute:NSAccessibilityShadowTextAttribute range:range];
>     
>     // set underline and strikethrough
>-    int decor = style.textDecorationsInEffect();
>-    if ((decor & TextDecorationUnderline) == 0) {
>+    auto decor = style.textDecorationsInEffect();
>+    if (!(decor & TextDecoration::Underline)) {
>         [attrString removeAttribute:NSAccessibilityUnderlineTextAttribute range:range];
>         [attrString removeAttribute:NSAccessibilityUnderlineColorTextAttribute range:range];
>     }
>     
>-    if ((decor & TextDecorationLineThrough) == 0) {
>+    if (!(decor & TextDecoration::LineThrough)) {
>         [attrString removeAttribute:NSAccessibilityStrikethroughTextAttribute range:range];
>         [attrString removeAttribute:NSAccessibilityStrikethroughColorTextAttribute range:range];
>     }
>-    
>-    if ((decor & (TextDecorationUnderline | TextDecorationLineThrough)) != 0) {
>+
>+    if (decor & TextDecoration::Underline || decor & TextDecoration::LineThrough) {
>         // FIXME: Should the underline style be reported here?
>         auto decorationStyles = TextDecorationPainter::stylesForRenderer(*renderer, decor);
> 
>-        if ((decor & TextDecorationUnderline) != 0) {
>+        if (decor & TextDecoration::Underline) {
>             AXAttributeStringSetNumber(attrString, NSAccessibilityUnderlineTextAttribute, @YES, range);
>             AXAttributeStringSetColor(attrString, NSAccessibilityUnderlineColorTextAttribute, nsColor(decorationStyles.underlineColor), range);
>         }
>         
>-        if ((decor & TextDecorationLineThrough) != 0) {
>+        if (decor & TextDecoration::LineThrough) {
>             AXAttributeStringSetNumber(attrString, NSAccessibilityStrikethroughTextAttribute, @YES, range);
>             AXAttributeStringSetColor(attrString, NSAccessibilityStrikethroughColorTextAttribute, nsColor(decorationStyles.linethroughColor), range);
>         }
>Index: Source/WebCore/css/CSSComputedStyleDeclaration.cpp
>===================================================================
>--- Source/WebCore/css/CSSComputedStyleDeclaration.cpp	(revision 232189)
>+++ Source/WebCore/css/CSSComputedStyleDeclaration.cpp	(working copy)
>@@ -1756,19 +1756,19 @@ static Ref<CSSPrimitiveValue> valueForFa
>     return CSSValuePool::singleton().createFontFamilyValue(family);
> }
> 
>-static Ref<CSSValue> renderTextDecorationFlagsToCSSValue(int textDecoration)
>+static Ref<CSSValue> renderTextDecorationFlagsToCSSValue(OptionSet<TextDecoration> textDecoration)
> {
>     auto& cssValuePool = CSSValuePool::singleton();
>     // Blink value is ignored.
>     auto list = CSSValueList::createSpaceSeparated();
>-    if (textDecoration & TextDecorationUnderline)
>+    if (textDecoration & TextDecoration::Underline)
>         list->append(cssValuePool.createIdentifierValue(CSSValueUnderline));
>-    if (textDecoration & TextDecorationOverline)
>+    if (textDecoration & TextDecoration::Overline)
>         list->append(cssValuePool.createIdentifierValue(CSSValueOverline));
>-    if (textDecoration & TextDecorationLineThrough)
>+    if (textDecoration & TextDecoration::LineThrough)
>         list->append(cssValuePool.createIdentifierValue(CSSValueLineThrough));
> #if ENABLE(LETTERPRESS)
>-    if (textDecoration & TextDecorationLetterpress)
>+    if (textDecoration & TextDecoration::Letterpress)
>         list->append(cssValuePool.createIdentifierValue(CSSValueWebkitLetterpress));
> #endif
> 
>@@ -1796,16 +1796,17 @@ static Ref<CSSValue> renderTextDecoratio
>     return CSSValuePool::singleton().createExplicitInitialValue();
> }
> 
>-static Ref<CSSValue> renderTextDecorationSkipFlagsToCSSValue(TextDecorationSkip textDecorationSkip)
>+static Ref<CSSValue> renderTextDecorationSkipFlagsToCSSValue(OptionSet<TextDecorationSkip> textDecorationSkip)
> {
>-    switch (textDecorationSkip) {
>-    case TextDecorationSkipAuto:
>+    // FIXME: This should probably return a CSSValueList with the set of all TextDecorationSkips.
>+    switch (static_cast<TextDecorationSkip>(textDecorationSkip.toRaw())) {
>+    case TextDecorationSkip::Auto:
>         return CSSValuePool::singleton().createIdentifierValue(CSSValueAuto);
>-    case TextDecorationSkipNone:
>+    case TextDecorationSkip::None:
>         return CSSValuePool::singleton().createIdentifierValue(CSSValueNone);
>-    case TextDecorationSkipInk:
>+    case TextDecorationSkip::Ink:
>         return CSSValuePool::singleton().createIdentifierValue(CSSValueInk);
>-    case TextDecorationSkipObjects:
>+    case TextDecorationSkip::Objects:
>         return CSSValuePool::singleton().createIdentifierValue(CSSValueObjects);
>     }
> 
>@@ -1813,55 +1814,55 @@ static Ref<CSSValue> renderTextDecoratio
>     return CSSValuePool::singleton().createExplicitInitialValue();
> }
> 
>-static Ref<CSSValue> renderEmphasisPositionFlagsToCSSValue(TextEmphasisPosition textEmphasisPosition)
>+static Ref<CSSValue> renderEmphasisPositionFlagsToCSSValue(OptionSet<TextEmphasisPosition> textEmphasisPosition)
> {
>-    ASSERT(!((textEmphasisPosition & TextEmphasisPositionOver) && (textEmphasisPosition & TextEmphasisPositionUnder)));
>-    ASSERT(!((textEmphasisPosition & TextEmphasisPositionLeft) && (textEmphasisPosition & TextEmphasisPositionRight)));
>+    ASSERT(!((textEmphasisPosition & TextEmphasisPosition::Over) && (textEmphasisPosition & TextEmphasisPosition::Under)));
>+    ASSERT(!((textEmphasisPosition & TextEmphasisPosition::Left) && (textEmphasisPosition & TextEmphasisPosition::Right)));
>     auto& cssValuePool = CSSValuePool::singleton();
>     auto list = CSSValueList::createSpaceSeparated();
>-    if (textEmphasisPosition & TextEmphasisPositionOver)
>+    if (textEmphasisPosition & TextEmphasisPosition::Over)
>         list->append(cssValuePool.createIdentifierValue(CSSValueOver));
>-    if (textEmphasisPosition & TextEmphasisPositionUnder)
>+    if (textEmphasisPosition & TextEmphasisPosition::Under)
>         list->append(cssValuePool.createIdentifierValue(CSSValueUnder));
>-    if (textEmphasisPosition & TextEmphasisPositionLeft)
>+    if (textEmphasisPosition & TextEmphasisPosition::Left)
>         list->append(cssValuePool.createIdentifierValue(CSSValueLeft));
>-    if (textEmphasisPosition & TextEmphasisPositionRight)
>+    if (textEmphasisPosition & TextEmphasisPosition::Right)
>         list->append(cssValuePool.createIdentifierValue(CSSValueRight));
>     if (!list->length())
>         return cssValuePool.createIdentifierValue(CSSValueNone);
>     return WTFMove(list);
> }
> 
>-static Ref<CSSValue> speakAsToCSSValue(ESpeakAs speakAs)
>+static Ref<CSSValue> speakAsToCSSValue(OptionSet<SpeakAs> speakAs)
> {
>     auto& cssValuePool = CSSValuePool::singleton();
>     auto list = CSSValueList::createSpaceSeparated();
>-    if (speakAs & SpeakNormal)
>+    if (speakAs & SpeakAs::Normal)
>         list->append(cssValuePool.createIdentifierValue(CSSValueNormal));
>-    if (speakAs & SpeakSpellOut)
>+    if (speakAs & SpeakAs::SpellOut)
>         list->append(cssValuePool.createIdentifierValue(CSSValueSpellOut));
>-    if (speakAs & SpeakDigits)
>+    if (speakAs & SpeakAs::Digits)
>         list->append(cssValuePool.createIdentifierValue(CSSValueDigits));
>-    if (speakAs & SpeakLiteralPunctuation)
>+    if (speakAs & SpeakAs::LiteralPunctuation)
>         list->append(cssValuePool.createIdentifierValue(CSSValueLiteralPunctuation));
>-    if (speakAs & SpeakNoPunctuation)
>+    if (speakAs & SpeakAs::NoPunctuation)
>         list->append(cssValuePool.createIdentifierValue(CSSValueNoPunctuation));
>     if (!list->length())
>         return cssValuePool.createIdentifierValue(CSSValueNormal);
>     return WTFMove(list);
> }
>     
>-static Ref<CSSValue> hangingPunctuationToCSSValue(HangingPunctuation hangingPunctuation)
>+static Ref<CSSValue> hangingPunctuationToCSSValue(OptionSet<HangingPunctuation> hangingPunctuation)
> {
>     auto& cssValuePool = CSSValuePool::singleton();
>     auto list = CSSValueList::createSpaceSeparated();
>-    if (hangingPunctuation & FirstHangingPunctuation)
>+    if (hangingPunctuation & HangingPunctuation::First)
>         list->append(cssValuePool.createIdentifierValue(CSSValueFirst));
>-    if (hangingPunctuation & AllowEndHangingPunctuation)
>+    if (hangingPunctuation & HangingPunctuation::AllowEnd)
>         list->append(cssValuePool.createIdentifierValue(CSSValueAllowEnd));
>-    if (hangingPunctuation & ForceEndHangingPunctuation)
>+    if (hangingPunctuation & HangingPunctuation::ForceEnd)
>         list->append(cssValuePool.createIdentifierValue(CSSValueForceEnd));
>-    if (hangingPunctuation & LastHangingPunctuation)
>+    if (hangingPunctuation & HangingPunctuation::Last)
>         list->append(cssValuePool.createIdentifierValue(CSSValueLast));
>     if (!list->length())
>         return cssValuePool.createIdentifierValue(CSSValueNone);
>Index: Source/WebCore/css/CSSLineBoxContainValue.h
>===================================================================
>--- Source/WebCore/css/CSSLineBoxContainValue.h	(revision 232189)
>+++ Source/WebCore/css/CSSLineBoxContainValue.h	(working copy)
>@@ -32,8 +32,16 @@ namespace WebCore {
> 
> class CSSPrimitiveValue;
> 
>-enum LineBoxContainFlags { LineBoxContainNone = 0x0, LineBoxContainBlock = 0x1, LineBoxContainInline = 0x2, LineBoxContainFont = 0x4, LineBoxContainGlyphs = 0x8,
>-                           LineBoxContainReplaced = 0x10, LineBoxContainInlineBox = 0x20, LineBoxContainInitialLetter = 0x40 };
>+enum LineBoxContainFlags {
>+    LineBoxContainNone = 0x0,
>+    LineBoxContainBlock = 0x1,
>+    LineBoxContainInline = 0x2,
>+    LineBoxContainFont = 0x4,
>+    LineBoxContainGlyphs = 0x8,
>+    LineBoxContainReplaced = 0x10,
>+    LineBoxContainInlineBox = 0x20,
>+    LineBoxContainInitialLetter = 0x40
>+};
> typedef unsigned LineBoxContain;
> 
> // Used for text-CSSLineBoxContain and box-CSSLineBoxContain
>Index: Source/WebCore/css/CSSPrimitiveValueMappings.h
>===================================================================
>--- Source/WebCore/css/CSSPrimitiveValueMappings.h	(revision 232189)
>+++ Source/WebCore/css/CSSPrimitiveValueMappings.h	(working copy)
>@@ -1641,21 +1641,21 @@ template<> inline CSSPrimitiveValue::ope
>     
>     switch (m_value.valueID) {
>     case CSSValueNone:
>-        return NoHangingPunctuation;
>+        return HangingPunctuation::None;
>     case CSSValueFirst:
>-        return FirstHangingPunctuation;
>+        return HangingPunctuation::First;
>     case CSSValueLast:
>-        return LastHangingPunctuation;
>+        return HangingPunctuation::Last;
>     case CSSValueAllowEnd:
>-        return AllowEndHangingPunctuation;
>+        return HangingPunctuation::AllowEnd;
>     case CSSValueForceEnd:
>-        return ForceEndHangingPunctuation;
>+        return HangingPunctuation::ForceEnd;
>     default:
>         break;
>     }
>     
>     ASSERT_NOT_REACHED();
>-    return NoHangingPunctuation;
>+    return HangingPunctuation::None;
> }
> 
> template<> inline CSSPrimitiveValue::operator LineBreak() const
>@@ -2585,25 +2585,25 @@ template<> inline CSSPrimitiveValue::ope
> 
>     switch (m_value.valueID) {
>     case CSSValueNone:
>-        return TextDecorationNone;
>+        return TextDecoration::None;
>     case CSSValueUnderline:
>-        return TextDecorationUnderline;
>+        return TextDecoration::Underline;
>     case CSSValueOverline:
>-        return TextDecorationOverline;
>+        return TextDecoration::Overline;
>     case CSSValueLineThrough:
>-        return TextDecorationLineThrough;
>+        return TextDecoration::LineThrough;
>     case CSSValueBlink:
>-        return TextDecorationBlink;
>+        return TextDecoration::Blink;
> #if ENABLE(LETTERPRESS)
>     case CSSValueWebkitLetterpress:
>-        return TextDecorationLetterpress;
>+        return TextDecoration::Letterpress;
> #endif
>     default:
>         break;
>     }
> 
>     ASSERT_NOT_REACHED();
>-    return TextDecorationNone;
>+    return TextDecoration::None;
> }
> 
> template<> inline CSSPrimitiveValue::operator TextDecorationStyle() const
>@@ -2634,13 +2634,13 @@ template<> inline CSSPrimitiveValue::CSS
> {
>     m_primitiveUnitType = CSS_VALUE_ID;
>     switch (e) {
>-    case TextUnderlinePositionAuto:
>+    case TextUnderlinePosition::Auto:
>         m_value.valueID = CSSValueAuto;
>         break;
>-    case TextUnderlinePositionAlphabetic:
>+    case TextUnderlinePosition::Alphabetic:
>         m_value.valueID = CSSValueAlphabetic;
>         break;
>-    case TextUnderlinePositionUnder:
>+    case TextUnderlinePosition::Under:
>         m_value.valueID = CSSValueUnder;
>         break;
>     }
>@@ -2654,11 +2654,11 @@ template<> inline CSSPrimitiveValue::ope
> 
>     switch (m_value.valueID) {
>     case CSSValueAuto:
>-        return TextUnderlinePositionAuto;
>+        return TextUnderlinePosition::Auto;
>     case CSSValueAlphabetic:
>-        return TextUnderlinePositionAlphabetic;
>+        return TextUnderlinePosition::Alphabetic;
>     case CSSValueUnder:
>-        return TextUnderlinePositionUnder;
>+        return TextUnderlinePosition::Under;
>     default:
>         break;
>     }
>@@ -2666,7 +2666,7 @@ template<> inline CSSPrimitiveValue::ope
>     // FIXME: Implement support for 'under left' and 'under right' values.
> 
>     ASSERT_NOT_REACHED();
>-    return TextUnderlinePositionAuto;
>+    return TextUnderlinePosition::Auto;
> }
> 
> template<> inline CSSPrimitiveValue::CSSPrimitiveValue(TextSecurity e)
>@@ -3820,24 +3820,24 @@ template<> inline CSSPrimitiveValue::ope
>     return LineAlign::None;
> }
> 
>-template<> inline CSSPrimitiveValue::CSSPrimitiveValue(ESpeakAs e)
>+template<> inline CSSPrimitiveValue::CSSPrimitiveValue(SpeakAs e)
>     : CSSValue(PrimitiveClass)
> {
>     m_primitiveUnitType = CSS_VALUE_ID;
>     switch (e) {
>-    case SpeakNormal:
>+    case SpeakAs::Normal:
>         m_value.valueID = CSSValueNormal;
>         break;
>-    case SpeakSpellOut:
>+    case SpeakAs::SpellOut:
>         m_value.valueID = CSSValueSpellOut;
>         break;
>-    case SpeakDigits:
>+    case SpeakAs::Digits:
>         m_value.valueID = CSSValueDigits;
>         break;
>-    case SpeakLiteralPunctuation:
>+    case SpeakAs::LiteralPunctuation:
>         m_value.valueID = CSSValueLiteralPunctuation;
>         break;
>-    case SpeakNoPunctuation:
>+    case SpeakAs::NoPunctuation:
>         m_value.valueID = CSSValueNoPunctuation;
>         break;
>     }
>@@ -3874,27 +3874,27 @@ template<> inline CSSPrimitiveValue::CSS
>     }
> }
> 
>-template<> inline CSSPrimitiveValue::operator ESpeakAs() const
>+template<> inline CSSPrimitiveValue::operator SpeakAs() const
> {
>     ASSERT(isValueID());
> 
>     switch (m_value.valueID) {
>     case CSSValueNormal:
>-        return SpeakNormal;
>+        return SpeakAs::Normal;
>     case CSSValueSpellOut:
>-        return SpeakSpellOut;
>+        return SpeakAs::SpellOut;
>     case CSSValueDigits:
>-        return SpeakDigits;
>+        return SpeakAs::Digits;
>     case CSSValueLiteralPunctuation:
>-        return SpeakLiteralPunctuation;
>+        return SpeakAs::LiteralPunctuation;
>     case CSSValueNoPunctuation:
>-        return SpeakNoPunctuation;
>+        return SpeakAs::NoPunctuation;
>     default:
>         break;
>     }
> 
>     ASSERT_NOT_REACHED();
>-    return SpeakNormal;
>+    return SpeakAs::Normal;
> }
> 
> template<> inline CSSPrimitiveValue::CSSPrimitiveValue(BlendMode blendMode)
>Index: Source/WebCore/css/StyleBuilderConverter.h
>===================================================================
>--- Source/WebCore/css/StyleBuilderConverter.h	(revision 232189)
>+++ Source/WebCore/css/StyleBuilderConverter.h	(working copy)
>@@ -69,7 +69,7 @@ public:
>     static float convertSpacing(StyleResolver&, const CSSValue&);
>     static LengthSize convertRadius(StyleResolver&, const CSSValue&);
>     static LengthPoint convertObjectPosition(StyleResolver&, const CSSValue&);
>-    static TextDecoration convertTextDecoration(StyleResolver&, const CSSValue&);
>+    static OptionSet<TextDecoration> convertTextDecoration(StyleResolver&, const CSSValue&);
>     template<typename T> static T convertNumber(StyleResolver&, const CSSValue&);
>     template<typename T> static T convertNumberOrAuto(StyleResolver&, const CSSValue&);
>     static short convertWebkitHyphenateLimitLines(StyleResolver&, const CSSValue&);
>@@ -80,7 +80,7 @@ public:
>     static String convertString(StyleResolver&, const CSSValue&);
>     static String convertStringOrAuto(StyleResolver&, const CSSValue&);
>     static String convertStringOrNone(StyleResolver&, const CSSValue&);
>-    static TextEmphasisPosition convertTextEmphasisPosition(StyleResolver&, const CSSValue&);
>+    static OptionSet<TextEmphasisPosition> convertTextEmphasisPosition(StyleResolver&, const CSSValue&);
>     static TextAlignMode convertTextAlign(StyleResolver&, const CSSValue&);
>     static RefPtr<ClipPathOperation> convertClipPath(StyleResolver&, const CSSValue&);
>     static Resize convertResize(StyleResolver&, const CSSValue&);
>@@ -92,7 +92,7 @@ public:
>     static IntSize convertInitialLetter(StyleResolver&, const CSSValue&);
>     static float convertTextStrokeWidth(StyleResolver&, const CSSValue&);
>     static LineBoxContain convertLineBoxContain(StyleResolver&, const CSSValue&);
>-    static TextDecorationSkip convertTextDecorationSkip(StyleResolver&, const CSSValue&);
>+    static OptionSet<TextDecorationSkip> convertTextDecorationSkip(StyleResolver&, const CSSValue&);
>     static RefPtr<ShapeValue> convertShapeValue(StyleResolver&, CSSValue&);
> #if ENABLE(CSS_SCROLL_SNAP)
>     static ScrollSnapType convertScrollSnapType(StyleResolver&, const CSSValue&);
>@@ -144,9 +144,9 @@ public:
>     static BreakBetween convertColumnBreakBetween(StyleResolver&, const CSSValue&);
>     static BreakInside convertColumnBreakInside(StyleResolver&, const CSSValue&);
> 
>-    static HangingPunctuation convertHangingPunctuation(StyleResolver&, const CSSValue&);
>+    static OptionSet<HangingPunctuation> convertHangingPunctuation(StyleResolver&, const CSSValue&);
> 
>-    static ESpeakAs convertSpeakAs(StyleResolver&, const CSSValue&);
>+    static OptionSet<SpeakAs> convertSpeakAs(StyleResolver&, const CSSValue&);
> 
>     static Length convertPositionComponentX(StyleResolver&, const CSSValue&);
>     static Length convertPositionComponentY(StyleResolver&, const CSSValue&);
>@@ -157,8 +157,8 @@ private:
>     friend class StyleBuilderCustom;
> 
>     static Length convertToRadiusLength(CSSToLengthConversionData&, const CSSPrimitiveValue&);
>-    static TextEmphasisPosition valueToEmphasisPosition(const CSSPrimitiveValue&);
>-    static TextDecorationSkip valueToDecorationSkip(const CSSPrimitiveValue&);
>+    static OptionSet<TextEmphasisPosition> valueToEmphasisPosition(const CSSPrimitiveValue&);
>+    static OptionSet<TextDecorationSkip> valueToDecorationSkip(const CSSPrimitiveValue&);
> #if ENABLE(CSS_SCROLL_SNAP)
>     static Length parseSnapCoordinate(StyleResolver&, const CSSValue&);
> #endif
>@@ -389,12 +389,12 @@ inline LengthPoint StyleBuilderConverter
>     return LengthPoint(lengthX, lengthY);
> }
> 
>-inline TextDecoration StyleBuilderConverter::convertTextDecoration(StyleResolver&, const CSSValue& value)
>+inline OptionSet<TextDecoration> StyleBuilderConverter::convertTextDecoration(StyleResolver&, const CSSValue& value)
> {
>-    TextDecoration result = RenderStyle::initialTextDecoration();
>+    auto result = RenderStyle::initialTextDecoration();
>     if (is<CSSValueList>(value)) {
>         for (auto& currentValue : downcast<CSSValueList>(value))
>-            result |= downcast<CSSPrimitiveValue>(currentValue.get());
>+            result |= static_cast<TextDecoration>(downcast<CSSPrimitiveValue>(currentValue.get()));
>     }
>     return result;
> }
>@@ -470,19 +470,19 @@ inline String StyleBuilderConverter::con
>     return convertString(styleResolver, value);
> }
> 
>-inline TextEmphasisPosition StyleBuilderConverter::valueToEmphasisPosition(const CSSPrimitiveValue& primitiveValue)
>+inline OptionSet<TextEmphasisPosition> StyleBuilderConverter::valueToEmphasisPosition(const CSSPrimitiveValue& primitiveValue)
> {
>     ASSERT(primitiveValue.isValueID());
> 
>     switch (primitiveValue.valueID()) {
>     case CSSValueOver:
>-        return TextEmphasisPositionOver;
>+        return TextEmphasisPosition::Over;
>     case CSSValueUnder:
>-        return TextEmphasisPositionUnder;
>+        return TextEmphasisPosition::Under;
>     case CSSValueLeft:
>-        return TextEmphasisPositionLeft;
>+        return TextEmphasisPosition::Left;
>     case CSSValueRight:
>-        return TextEmphasisPositionRight;
>+        return TextEmphasisPosition::Right;
>     default:
>         break;
>     }
>@@ -491,12 +491,12 @@ inline TextEmphasisPosition StyleBuilder
>     return RenderStyle::initialTextEmphasisPosition();
> }
> 
>-inline TextEmphasisPosition StyleBuilderConverter::convertTextEmphasisPosition(StyleResolver&, const CSSValue& value)
>+inline OptionSet<TextEmphasisPosition> StyleBuilderConverter::convertTextEmphasisPosition(StyleResolver&, const CSSValue& value)
> {
>     if (is<CSSPrimitiveValue>(value))
>         return valueToEmphasisPosition(downcast<CSSPrimitiveValue>(value));
> 
>-    TextEmphasisPosition position = 0;
>+    OptionSet<TextEmphasisPosition> position;
>     for (auto& currentValue : downcast<CSSValueList>(value))
>         position |= valueToEmphasisPosition(downcast<CSSPrimitiveValue>(currentValue.get()));
>     return position;
>@@ -646,7 +646,7 @@ inline TextUnderlinePosition StyleBuilde
>     unsigned combinedPosition = 0;
>     for (auto& currentValue : downcast<CSSValueList>(value)) {
>         TextUnderlinePosition position = downcast<CSSPrimitiveValue>(currentValue.get());
>-        combinedPosition |= position;
>+        combinedPosition |= static_cast<unsigned>(position);
>     }
>     return static_cast<TextUnderlinePosition>(combinedPosition);
> }
>@@ -727,33 +727,33 @@ inline LineBoxContain StyleBuilderConver
>     return downcast<CSSLineBoxContainValue>(value).value();
> }
> 
>-inline TextDecorationSkip StyleBuilderConverter::valueToDecorationSkip(const CSSPrimitiveValue& primitiveValue)
>+inline OptionSet<TextDecorationSkip> StyleBuilderConverter::valueToDecorationSkip(const CSSPrimitiveValue& primitiveValue)
> {
>     ASSERT(primitiveValue.isValueID());
> 
>     switch (primitiveValue.valueID()) {
>     case CSSValueAuto:
>-        return TextDecorationSkipAuto;
>+        return TextDecorationSkip::Auto;
>     case CSSValueNone:
>-        return TextDecorationSkipNone;
>+        return TextDecorationSkip::None;
>     case CSSValueInk:
>-        return TextDecorationSkipInk;
>+        return TextDecorationSkip::Ink;
>     case CSSValueObjects:
>-        return TextDecorationSkipObjects;
>+        return TextDecorationSkip::Objects;
>     default:
>         break;
>     }
> 
>     ASSERT_NOT_REACHED();
>-    return TextDecorationSkipNone;
>+    return TextDecorationSkip::None;
> }
> 
>-inline TextDecorationSkip StyleBuilderConverter::convertTextDecorationSkip(StyleResolver&, const CSSValue& value)
>+inline OptionSet<TextDecorationSkip> StyleBuilderConverter::convertTextDecorationSkip(StyleResolver&, const CSSValue& value)
> {
>     if (is<CSSPrimitiveValue>(value))
>         return valueToDecorationSkip(downcast<CSSPrimitiveValue>(value));
> 
>-    TextDecorationSkip skip = TextDecorationSkipNone;
>+    OptionSet<TextDecorationSkip> skip;
>     for (auto& currentValue : downcast<CSSValueList>(value))
>         skip |= valueToDecorationSkip(downcast<CSSPrimitiveValue>(currentValue.get()));
>     return skip;
>@@ -1500,22 +1500,22 @@ inline BreakInside StyleBuilderConverter
>     return primitiveValue;
> }
>     
>-inline ESpeakAs StyleBuilderConverter::convertSpeakAs(StyleResolver&, const CSSValue& value)
>+inline OptionSet<SpeakAs> StyleBuilderConverter::convertSpeakAs(StyleResolver&, const CSSValue& value)
> {
>-    ESpeakAs result = RenderStyle::initialSpeakAs();
>+    auto result = RenderStyle::initialSpeakAs();
>     if (is<CSSValueList>(value)) {
>         for (auto& currentValue : downcast<CSSValueList>(value))
>-            result |= downcast<CSSPrimitiveValue>(currentValue.get());
>+            result |= static_cast<SpeakAs>(downcast<CSSPrimitiveValue>(currentValue.get()));
>     }
>     return result;
> }
> 
>-inline HangingPunctuation StyleBuilderConverter::convertHangingPunctuation(StyleResolver&, const CSSValue& value)
>+inline OptionSet<HangingPunctuation> StyleBuilderConverter::convertHangingPunctuation(StyleResolver&, const CSSValue& value)
> {
>-    HangingPunctuation result = RenderStyle::initialHangingPunctuation();
>+    auto result = RenderStyle::initialHangingPunctuation();
>     if (is<CSSValueList>(value)) {
>         for (auto& currentValue : downcast<CSSValueList>(value))
>-            result |= downcast<CSSPrimitiveValue>(currentValue.get());
>+            result |= static_cast<HangingPunctuation>(downcast<CSSPrimitiveValue>(currentValue.get()));
>     }
>     return result;
> }
>Index: Source/WebCore/editing/cocoa/EditorCocoa.mm
>===================================================================
>--- Source/WebCore/editing/cocoa/EditorCocoa.mm	(revision 232189)
>+++ Source/WebCore/editing/cocoa/EditorCocoa.mm	(working copy)
>@@ -71,10 +71,10 @@ void Editor::getTextDecorationAttributes
>                 [result setObject:@(NSUnderlineStyleSingle) forKey:NSUnderlineStyleAttributeName];
>         }
>     } else {
>-        int decoration = style.textDecorationsInEffect();
>-        if (decoration & TextDecorationLineThrough)
>+        auto decoration = style.textDecorationsInEffect();
>+        if (decoration & TextDecoration::LineThrough)
>             [result setObject:@(NSUnderlineStyleSingle) forKey:NSStrikethroughStyleAttributeName];
>-        if (decoration & TextDecorationUnderline)
>+        if (decoration & TextDecoration::Underline)
>             [result setObject:@(NSUnderlineStyleSingle) forKey:NSUnderlineStyleAttributeName];
>     }
> }
>Index: Source/WebCore/editing/cocoa/HTMLConverter.mm
>===================================================================
>--- Source/WebCore/editing/cocoa/HTMLConverter.mm	(revision 232189)
>+++ Source/WebCore/editing/cocoa/HTMLConverter.mm	(working copy)
>@@ -2505,9 +2505,9 @@ NSAttributedString *editingAttributedStr
>         if (!renderer)
>             continue;
>         const RenderStyle& style = renderer->style();
>-        if (style.textDecorationsInEffect() & TextDecorationUnderline)
>+        if (style.textDecorationsInEffect() & TextDecoration::Underline)
>             [attrs.get() setObject:[NSNumber numberWithInteger:NSUnderlineStyleSingle] forKey:NSUnderlineStyleAttributeName];
>-        if (style.textDecorationsInEffect() & TextDecorationLineThrough)
>+        if (style.textDecorationsInEffect() & TextDecoration::LineThrough)
>             [attrs.get() setObject:[NSNumber numberWithInteger:NSUnderlineStyleSingle] forKey:NSStrikethroughStyleAttributeName];
>         if (auto font = style.fontCascade().primaryFont().getCTFont())
>             [attrs.get() setObject:toNSFont(font) forKey:NSFontAttributeName];
>Index: Source/WebCore/rendering/InlineFlowBox.cpp
>===================================================================
>--- Source/WebCore/rendering/InlineFlowBox.cpp	(revision 232189)
>+++ Source/WebCore/rendering/InlineFlowBox.cpp	(working copy)
>@@ -745,7 +745,7 @@ void InlineFlowBox::placeBoxesInBlockDir
>     }
> }
> 
>-void InlineFlowBox::maxLogicalBottomForTextDecorationLine(float& maxLogicalBottom, const RenderElement* decorationRenderer, TextDecoration textDecoration) const
>+void InlineFlowBox::maxLogicalBottomForTextDecorationLine(float& maxLogicalBottom, const RenderElement* decorationRenderer, OptionSet<TextDecoration> textDecoration) const
> {
>     for (InlineBox* child = firstChild(); child; child = child->nextOnLine()) {
>         if (child->renderer().isOutOfFlowPositioned())
>@@ -760,13 +760,13 @@ void InlineFlowBox::maxLogicalBottomForT
>         if (is<InlineFlowBox>(*child))
>             downcast<InlineFlowBox>(*child).maxLogicalBottomForTextDecorationLine(maxLogicalBottom, decorationRenderer, textDecoration);
>         else {
>-            if (child->isInlineTextBox() || child->lineStyle().textDecorationSkip() == TextDecorationSkipNone)
>+            if (child->isInlineTextBox() || child->lineStyle().textDecorationSkip() == TextDecorationSkip::None)
>                 maxLogicalBottom = std::max<float>(maxLogicalBottom, child->logicalBottom());
>         }
>     }
> }
> 
>-void InlineFlowBox::minLogicalTopForTextDecorationLine(float& minLogicalTop, const RenderElement* decorationRenderer, TextDecoration textDecoration) const
>+void InlineFlowBox::minLogicalTopForTextDecorationLine(float& minLogicalTop, const RenderElement* decorationRenderer, OptionSet<TextDecoration> textDecoration) const
> {
>     for (InlineBox* child = firstChild(); child; child = child->nextOnLine()) {
>         if (child->renderer().isOutOfFlowPositioned())
>@@ -781,7 +781,7 @@ void InlineFlowBox::minLogicalTopForText
>         if (is<InlineFlowBox>(*child))
>             downcast<InlineFlowBox>(*child).minLogicalTopForTextDecorationLine(minLogicalTop, decorationRenderer, textDecoration);
>         else {
>-            if (child->isInlineTextBox() || child->lineStyle().textDecorationSkip() == TextDecorationSkipNone)
>+            if (child->isInlineTextBox() || child->lineStyle().textDecorationSkip() == TextDecorationSkip::None)
>                 minLogicalTop = std::min<float>(minLogicalTop, child->logicalTop());
>         }
>     }
>Index: Source/WebCore/rendering/InlineFlowBox.h
>===================================================================
>--- Source/WebCore/rendering/InlineFlowBox.h	(revision 232189)
>+++ Source/WebCore/rendering/InlineFlowBox.h	(working copy)
>@@ -293,9 +293,9 @@ public:
> 
>     void computeReplacedAndTextLineTopAndBottom(LayoutUnit& lineTop, LayoutUnit& lineBottom) const;
>     
>-    // Used to calculate the underline offset for TextUnderlinePositionUnder.
>-    void maxLogicalBottomForTextDecorationLine(float& maxLogicalBottom, const RenderElement* decorationRenderer, TextDecoration) const;
>-    void minLogicalTopForTextDecorationLine(float& minLogicalTop, const RenderElement* decorationRenderer, TextDecoration) const;
>+    // Used to calculate the underline offset for TextUnderlinePosition::Under.
>+    void maxLogicalBottomForTextDecorationLine(float& maxLogicalBottom, const RenderElement* decorationRenderer, OptionSet<TextDecoration>) const;
>+    void minLogicalTopForTextDecorationLine(float& minLogicalTop, const RenderElement* decorationRenderer, OptionSet<TextDecoration>) const;
> 
> private:
>     bool isInlineFlowBox() const final { return true; }
>Index: Source/WebCore/rendering/InlineTextBox.cpp
>===================================================================
>--- Source/WebCore/rendering/InlineTextBox.cpp	(revision 232189)
>+++ Source/WebCore/rendering/InlineTextBox.cpp	(working copy)
>@@ -353,9 +353,9 @@ bool InlineTextBox::nodeAtPoint(const Hi
>     return false;
> }
> 
>-static inline bool emphasisPositionHasNeitherLeftNorRight(TextEmphasisPosition emphasisPosition)
>+static inline bool emphasisPositionHasNeitherLeftNorRight(OptionSet<TextEmphasisPosition> emphasisPosition)
> {
>-    return !(emphasisPosition & TextEmphasisPositionLeft) && !(emphasisPosition & TextEmphasisPositionRight);
>+    return !(emphasisPosition & TextEmphasisPosition::Left) && !(emphasisPosition & TextEmphasisPosition::Right);
> }
> 
> bool InlineTextBox::emphasisMarkExistsAndIsAbove(const RenderStyle& style, bool& above) const
>@@ -364,19 +364,19 @@ bool InlineTextBox::emphasisMarkExistsAn
>     if (style.textEmphasisMark() == TextEmphasisMark::None)
>         return false;
> 
>-    TextEmphasisPosition emphasisPosition = style.textEmphasisPosition();
>-    ASSERT(!((emphasisPosition & TextEmphasisPositionOver) && (emphasisPosition & TextEmphasisPositionUnder)));
>-    ASSERT(!((emphasisPosition & TextEmphasisPositionLeft) && (emphasisPosition & TextEmphasisPositionRight)));
>+    auto emphasisPosition = style.textEmphasisPosition();
>+    ASSERT(!((emphasisPosition & TextEmphasisPosition::Over) && (emphasisPosition & TextEmphasisPosition::Under)));
>+    ASSERT(!((emphasisPosition & TextEmphasisPosition::Left) && (emphasisPosition & TextEmphasisPosition::Right)));
>     
>     if (emphasisPositionHasNeitherLeftNorRight(emphasisPosition))
>-        above = emphasisPosition & TextEmphasisPositionOver;
>+        above = emphasisPosition.contains(TextEmphasisPosition::Over);
>     else if (style.isHorizontalWritingMode())
>-        above = emphasisPosition & TextEmphasisPositionOver;
>+        above = emphasisPosition.contains(TextEmphasisPosition::Over);
>     else
>-        above = emphasisPosition & TextEmphasisPositionRight;
>+        above = emphasisPosition.contains(TextEmphasisPosition::Right);
>     
>-    if ((style.isHorizontalWritingMode() && (emphasisPosition & TextEmphasisPositionUnder))
>-        || (!style.isHorizontalWritingMode() && (emphasisPosition & TextEmphasisPositionLeft)))
>+    if ((style.isHorizontalWritingMode() && (emphasisPosition & TextEmphasisPosition::Under))
>+        || (!style.isHorizontalWritingMode() && (emphasisPosition & TextEmphasisPosition::Left)))
>         return true; // Ruby text is always over, so it cannot suppress emphasis marks under.
> 
>     RenderBlock* containingBlock = renderer().containingBlock();
>@@ -568,8 +568,8 @@ void InlineTextBox::paint(PaintInfo& pai
>     paintMarkedTexts(paintInfo, TextPaintPhase::Foreground, boxRect, coalescedStyledMarkedTexts);
> 
>     // Paint decorations
>-    TextDecoration textDecorations = lineStyle.textDecorationsInEffect();
>-    if (textDecorations != TextDecorationNone && paintInfo.phase != PaintPhaseSelection) {
>+    auto textDecorations = lineStyle.textDecorationsInEffect();
>+    if (textDecorations != TextDecoration::None && paintInfo.phase != PaintPhaseSelection) {
>         TextRun textRun = createTextRun();
>         unsigned length = textRun.length();
>         if (m_truncation != cNoTruncation)
>@@ -1061,7 +1061,7 @@ void InlineTextBox::paintMarkedTextDecor
>     }
> 
>     // 2. Paint
>-    TextDecorationPainter decorationPainter { context, static_cast<unsigned>(lineStyle().textDecorationsInEffect()), renderer(), isFirstLine(), markedText.style.textDecorationStyles };
>+    TextDecorationPainter decorationPainter { context, lineStyle().textDecorationsInEffect(), renderer(), isFirstLine(), markedText.style.textDecorationStyles };
>     decorationPainter.setInlineTextBox(this);
>     decorationPainter.setFont(lineFont());
>     decorationPainter.setWidth(snappedSelectionRect.width());
>Index: Source/WebCore/rendering/RenderBlockFlow.cpp
>===================================================================
>--- Source/WebCore/rendering/RenderBlockFlow.cpp	(revision 232189)
>+++ Source/WebCore/rendering/RenderBlockFlow.cpp	(working copy)
>@@ -4097,8 +4097,8 @@ void RenderBlockFlow::computeInlinePrefe
>     RenderObject* prevFloat = 0;
>     bool isPrevChildInlineFlow = false;
>     bool shouldBreakLineAfterText = false;
>-    bool canHangPunctuationAtStart = styleToUse.hangingPunctuation() & FirstHangingPunctuation;
>-    bool canHangPunctuationAtEnd = styleToUse.hangingPunctuation() & LastHangingPunctuation;
>+    bool canHangPunctuationAtStart = styleToUse.hangingPunctuation().contains(HangingPunctuation::First);
>+    bool canHangPunctuationAtEnd = styleToUse.hangingPunctuation().contains(HangingPunctuation::Last);
>     RenderText* lastText = nullptr;
> 
>     bool addedStartPunctuationHang = false;
>Index: Source/WebCore/rendering/RenderBlockLineLayout.cpp
>===================================================================
>--- Source/WebCore/rendering/RenderBlockLineLayout.cpp	(revision 232189)
>+++ Source/WebCore/rendering/RenderBlockLineLayout.cpp	(working copy)
>@@ -532,7 +532,7 @@ static inline void setLogicalWidthForTex
>     }
> 
>     // Include text decoration visual overflow as part of the glyph overflow.
>-    if (renderer.style().textDecorationsInEffect() != TextDecorationNone)
>+    if (renderer.style().textDecorationsInEffect() != TextDecoration::None)
>         glyphOverflow.extendTo(visualOverflowForDecorations(run->box()->lineStyle(), downcast<InlineTextBox>(run->box())));
> 
>     if (!glyphOverflow.isEmpty()) {
>@@ -830,8 +830,8 @@ BidiRun* RenderBlockFlow::computeInlineD
>     WordMeasurements& wordMeasurements)
> {
>     bool needsWordSpacing = false;
>-    bool canHangPunctuationAtStart = style().hangingPunctuation() & FirstHangingPunctuation;
>-    bool canHangPunctuationAtEnd = style().hangingPunctuation() & LastHangingPunctuation;
>+    bool canHangPunctuationAtStart = style().hangingPunctuation().contains(HangingPunctuation::First);
>+    bool canHangPunctuationAtEnd = style().hangingPunctuation().contains(HangingPunctuation::Last);
>     bool isLTR = style().isLeftToRightDirection();
>     float totalLogicalWidth = lineBox->getFlowSpacingLogicalWidth();
>     unsigned expansionOpportunityCount = 0;
>Index: Source/WebCore/rendering/RenderElement.cpp
>===================================================================
>--- Source/WebCore/rendering/RenderElement.cpp	(revision 232189)
>+++ Source/WebCore/rendering/RenderElement.cpp	(working copy)
>@@ -1539,7 +1539,7 @@ LayoutRect RenderElement::absoluteAnchor
>     return enclosingLayoutRect(FloatRect(upperLeft, lowerRight.expandedTo(upperLeft) - upperLeft));
> }
> 
>-const RenderElement* RenderElement::enclosingRendererWithTextDecoration(TextDecoration textDecoration, bool firstLine) const
>+const RenderElement* RenderElement::enclosingRendererWithTextDecoration(OptionSet<TextDecoration> textDecoration, bool firstLine) const
> {
>     const RenderElement* current = this;
>     do {
>Index: Source/WebCore/rendering/RenderElement.h
>===================================================================
>--- Source/WebCore/rendering/RenderElement.h	(revision 232189)
>+++ Source/WebCore/rendering/RenderElement.h	(working copy)
>@@ -195,7 +195,7 @@ public:
>     bool hasCounterNodeMap() const { return m_hasCounterNodeMap; }
>     void setHasCounterNodeMap(bool f) { m_hasCounterNodeMap = f; }
> 
>-    const RenderElement* enclosingRendererWithTextDecoration(TextDecoration, bool firstLine) const;
>+    const RenderElement* enclosingRendererWithTextDecoration(OptionSet<TextDecoration>, bool firstLine) const;
>     void drawLineForBoxSide(GraphicsContext&, const FloatRect&, BoxSide, Color, BorderStyle, float adjacentWidth1, float adjacentWidth2, bool antialias = false) const;
> 
> #if ENABLE(TEXT_AUTOSIZING)
>Index: Source/WebCore/rendering/RenderTableSection.cpp
>===================================================================
>--- Source/WebCore/rendering/RenderTableSection.cpp	(revision 232189)
>+++ Source/WebCore/rendering/RenderTableSection.cpp	(working copy)
>@@ -168,10 +168,10 @@ void RenderTableSection::addCell(RenderT
> 
>     // ### mozilla still seems to do the old HTML way, even for strict DTD
>     // (see the annotation on table cell layouting in the CSS specs and the testcase below:
>-    // <DisplayType::Table border>
>+    // <TABLE border>
>     // <TR><TD>1 <TD rowspan="2">2 <TD>3 <TD>4
>     // <TR><TD colspan="2">5
>-    // </DisplayType::Table>
>+    // </TABLE>
>     while (m_cCol < nCols && (cellAt(insertionRow, m_cCol).hasCells() || cellAt(insertionRow, m_cCol).inColSpan))
>         m_cCol++;
> 
>Index: Source/WebCore/rendering/SimpleLineLayout.cpp
>===================================================================
>--- Source/WebCore/rendering/SimpleLineLayout.cpp	(revision 232189)
>+++ Source/WebCore/rendering/SimpleLineLayout.cpp	(working copy)
>@@ -200,7 +200,7 @@ static AvoidanceReasonFlags canUseForSty
>     AvoidanceReasonFlags reasons = { };
>     if (style.textOverflow() == TextOverflow::Ellipsis)
>         SET_REASON_AND_RETURN_IF_NEEDED(FlowHasTextOverflow, reasons, includeReasons);
>-    if ((style.textDecorationsInEffect() & TextDecorationUnderline) && style.textUnderlinePosition() == TextUnderlinePositionUnder)
>+    if ((style.textDecorationsInEffect() & TextDecoration::Underline) && style.textUnderlinePosition() == TextUnderlinePosition::Under)
>         SET_REASON_AND_RETURN_IF_NEEDED(FlowHasUnsupportedUnderlineDecoration, reasons, includeReasons);
>     // Non-visible overflow should be pretty easy to support.
>     if (style.overflowX() != Overflow::Visible || style.overflowY() != Overflow::Visible)
>@@ -289,7 +289,7 @@ AvoidanceReasonFlags canUseForWithReason
>         SET_REASON_AND_RETURN_IF_NEEDED(FlowHasOutline, reasons, includeReasons);
>     if (flow.isRubyText() || flow.isRubyBase())
>         SET_REASON_AND_RETURN_IF_NEEDED(FlowIsRuby, reasons, includeReasons);
>-    if (flow.style().hangingPunctuation() != NoHangingPunctuation)
>+    if (flow.style().hangingPunctuation() != HangingPunctuation::None)
>         SET_REASON_AND_RETURN_IF_NEEDED(FlowHasHangingPunctuation, reasons, includeReasons);
>     
>     // Printing does pagination without a flow thread.
>Index: Source/WebCore/rendering/SimpleLineLayoutFunctions.cpp
>===================================================================
>--- Source/WebCore/rendering/SimpleLineLayoutFunctions.cpp	(revision 232189)
>+++ Source/WebCore/rendering/SimpleLineLayoutFunctions.cpp	(working copy)
>@@ -94,7 +94,7 @@ void paintFlow(const RenderBlockFlow& fl
>     }
> 
>     std::optional<TextDecorationPainter> textDecorationPainter;
>-    if (style.textDecorationsInEffect() != TextDecorationNone) {
>+    if (style.textDecorationsInEffect() != TextDecoration::None) {
>         const RenderText* textRenderer = childrenOfType<RenderText>(flow).first();
>         if (textRenderer) {
>             textDecorationPainter.emplace(paintInfo.context(), style.textDecorationsInEffect(), *textRenderer, false);
>Index: Source/WebCore/rendering/TextDecorationPainter.cpp
>===================================================================
>--- Source/WebCore/rendering/TextDecorationPainter.cpp	(revision 232189)
>+++ Source/WebCore/rendering/TextDecorationPainter.cpp	(working copy)
>@@ -247,9 +247,9 @@ bool TextDecorationPainter::Styles::oper
>         && underlineStyle == other.underlineStyle && overlineStyle == other.overlineStyle && linethroughStyle == other.linethroughStyle;
> }
> 
>-TextDecorationPainter::TextDecorationPainter(GraphicsContext& context, unsigned decorations, const RenderText& renderer, bool isFirstLine, std::optional<Styles> styles)
>+TextDecorationPainter::TextDecorationPainter(GraphicsContext& context, OptionSet<TextDecoration> decorations, const RenderText& renderer, bool isFirstLine, std::optional<Styles> styles)
>     : m_context { context }
>-    , m_decorations { OptionSet<TextDecoration>::fromRaw(decorations) }
>+    , m_decorations { decorations }
>     , m_wavyOffset { wavyOffsetFromDecoration() }
>     , m_isPrinting { renderer.document().printing() }
>     , m_styles { styles ? *WTFMove(styles) : stylesForRenderer(renderer, decorations, isFirstLine, PseudoId::None) }
>@@ -268,16 +268,16 @@ void TextDecorationPainter::paintTextDec
>     m_context.setStrokeThickness(textDecorationThickness);
>     FloatPoint localOrigin = boxOrigin;
> 
>-    auto paintDecoration = [&] (TextDecoration decoration, TextDecorationStyle style, const Color& color, const FloatPoint& start, const FloatPoint& end, int offset) {
>+    auto paintDecoration = [&] (OptionSet<TextDecoration> decoration, TextDecorationStyle style, const Color& color, const FloatPoint& start, const FloatPoint& end, int offset) {
>         m_context.setStrokeColor(color);
> 
>         auto strokeStyle = textDecorationStyleToStrokeStyle(style);
> 
>         if (style == TextDecorationStyle::Wavy)
>             strokeWavyTextDecoration(m_context, start, end, textDecorationThickness, m_lineStyle.computedFontPixelSize());
>-        else if (decoration == TextDecorationUnderline || decoration == TextDecorationOverline) {
>+        else if (decoration == TextDecoration::Underline || decoration == TextDecoration::Overline) {
> #if ENABLE(CSS3_TEXT_DECORATION_SKIP_INK)
>-            if ((m_lineStyle.textDecorationSkip() == TextDecorationSkipInk || m_lineStyle.textDecorationSkip() == TextDecorationSkipAuto) && m_isHorizontal) {
>+            if ((m_lineStyle.textDecorationSkip() == TextDecorationSkip::Ink || m_lineStyle.textDecorationSkip() == TextDecorationSkip::Auto) && m_isHorizontal) {
>                 if (!m_context.paintingDisabled())
>                     drawSkipInkUnderline(m_context, *m_font, textRun, textOrigin, localOrigin, offset, m_width, m_isPrinting, style == TextDecorationStyle::Double, strokeStyle);
>             } else
>@@ -286,14 +286,14 @@ void TextDecorationPainter::paintTextDec
>                 m_context.drawLineForText(start, m_width, m_isPrinting, style == TextDecorationStyle::Double, strokeStyle);
>             
>         } else {
>-            ASSERT(decoration == TextDecorationLineThrough);
>+            ASSERT(decoration == TextDecoration::LineThrough);
>             m_context.drawLineForText(start, m_width, m_isPrinting, style == TextDecorationStyle::Double, strokeStyle);
>         }
>     };
> 
>-    bool areLinesOpaque = !m_isPrinting && (!m_decorations.contains(TextDecorationUnderline) || m_styles.underlineColor.isOpaque())
>-        && (!m_decorations.contains(TextDecorationOverline) || m_styles.overlineColor.isOpaque())
>-        && (!m_decorations.contains(TextDecorationLineThrough) || m_styles.linethroughColor.isOpaque());
>+    bool areLinesOpaque = !m_isPrinting && (!m_decorations.contains(TextDecoration::Underline) || m_styles.underlineColor.isOpaque())
>+        && (!m_decorations.contains(TextDecoration::Overline) || m_styles.overlineColor.isOpaque())
>+        && (!m_decorations.contains(TextDecoration::LineThrough) || m_styles.linethroughColor.isOpaque());
> 
>     int extraOffset = 0;
>     bool clipping = !areLinesOpaque && m_shadow && m_shadow->next();
>@@ -334,23 +334,23 @@ void TextDecorationPainter::paintTextDec
>         }
> 
>         // These decorations should match the visual overflows computed in visualOverflowForDecorations().
>-        if (m_decorations.contains(TextDecorationUnderline)) {
>+        if (m_decorations.contains(TextDecoration::Underline)) {
>             int offset = computeUnderlineOffset(m_lineStyle.textUnderlinePosition(), m_lineStyle.fontMetrics(), m_inlineTextBox, textDecorationThickness);
>             float wavyOffset = m_styles.underlineStyle == TextDecorationStyle::Wavy ? m_wavyOffset : 0;
>             FloatPoint start = localOrigin + FloatSize(0, offset + wavyOffset);
>             FloatPoint end = localOrigin + FloatSize(m_width, offset + wavyOffset);
>-            paintDecoration(TextDecorationUnderline, m_styles.underlineStyle, m_styles.underlineColor, start, end, offset);
>+            paintDecoration(TextDecoration::Underline, m_styles.underlineStyle, m_styles.underlineColor, start, end, offset);
>         }
>-        if (m_decorations.contains(TextDecorationOverline)) {
>+        if (m_decorations.contains(TextDecoration::Overline)) {
>             float wavyOffset = m_styles.overlineStyle == TextDecorationStyle::Wavy ? m_wavyOffset : 0;
>             FloatPoint start = localOrigin - FloatSize(0, wavyOffset);
>             FloatPoint end = localOrigin + FloatSize(m_width, -wavyOffset);
>-            paintDecoration(TextDecorationOverline, m_styles.overlineStyle, m_styles.overlineColor, start, end, 0);
>+            paintDecoration(TextDecoration::Overline, m_styles.overlineStyle, m_styles.overlineColor, start, end, 0);
>         }
>-        if (m_decorations.contains(TextDecorationLineThrough)) {
>+        if (m_decorations.contains(TextDecoration::LineThrough)) {
>             FloatPoint start = localOrigin + FloatSize(0, 2 * m_baseline / 3);
>             FloatPoint end = localOrigin + FloatSize(m_width, 2 * m_baseline / 3);
>-            paintDecoration(TextDecorationLineThrough, m_styles.linethroughStyle, m_styles.linethroughColor, start, end, 0);
>+            paintDecoration(TextDecoration::LineThrough, m_styles.linethroughStyle, m_styles.linethroughColor, start, end, 0);
>         }
>     } while (shadow);
> 
>@@ -382,18 +382,18 @@ static void collectStylesForRenderer(Tex
>         auto color = decorationColor(style);
>         auto decorationStyle = style.textDecorationStyle();
> 
>-        if (decorations.contains(TextDecorationUnderline)) {
>-            remainingDecorations -= TextDecorationUnderline;
>+        if (decorations.contains(TextDecoration::Underline)) {
>+            remainingDecorations -= TextDecoration::Underline;
>             result.underlineColor = color;
>             result.underlineStyle = decorationStyle;
>         }
>-        if (decorations.contains(TextDecorationOverline)) {
>-            remainingDecorations -= TextDecorationOverline;
>+        if (decorations.contains(TextDecoration::Overline)) {
>+            remainingDecorations -= TextDecoration::Overline;
>             result.overlineColor = color;
>             result.overlineStyle = decorationStyle;
>         }
>-        if (decorations.contains(TextDecorationLineThrough)) {
>-            remainingDecorations -= TextDecorationLineThrough;
>+        if (decorations.contains(TextDecoration::LineThrough)) {
>+            remainingDecorations -= TextDecoration::LineThrough;
>             result.linethroughColor = color;
>             result.linethroughStyle = decorationStyle;
>         }
>@@ -412,7 +412,7 @@ static void collectStylesForRenderer(Tex
>     auto* current = &renderer;
>     do {
>         const auto& style = styleForRenderer(*current);
>-        extractDecorations(style, OptionSet<TextDecoration>::fromRaw(style.textDecoration()));
>+        extractDecorations(style, style.textDecoration());
> 
>         if (current->isRubyText())
>             return;
>@@ -431,12 +431,12 @@ static void collectStylesForRenderer(Tex
>         extractDecorations(styleForRenderer(*current), remainingDecorations);
> }
> 
>-auto TextDecorationPainter::stylesForRenderer(const RenderObject& renderer, unsigned requestedDecorations, bool firstLineStyle, PseudoId pseudoId) -> Styles
>+auto TextDecorationPainter::stylesForRenderer(const RenderObject& renderer, OptionSet<TextDecoration> requestedDecorations, bool firstLineStyle, PseudoId pseudoId) -> Styles
> {
>     Styles result;
>-    collectStylesForRenderer(result, renderer, OptionSet<TextDecoration>::fromRaw(requestedDecorations), false, pseudoId);
>+    collectStylesForRenderer(result, renderer, requestedDecorations, false, pseudoId);
>     if (firstLineStyle)
>-        collectStylesForRenderer(result, renderer, OptionSet<TextDecoration>::fromRaw(requestedDecorations), true, pseudoId);
>+        collectStylesForRenderer(result, renderer, requestedDecorations, true, pseudoId);
>     return result;
> }
> 
>Index: Source/WebCore/rendering/TextDecorationPainter.h
>===================================================================
>--- Source/WebCore/rendering/TextDecorationPainter.h	(revision 232189)
>+++ Source/WebCore/rendering/TextDecorationPainter.h	(working copy)
>@@ -41,9 +41,8 @@ class TextRun;
>     
> class TextDecorationPainter {
> public:
>-    // FIXME: Make decorations an OptionSet<TextDecoration>. See <https://bugs.webkit.org/show_bug.cgi?id=176844>.
>     struct Styles;
>-    TextDecorationPainter(GraphicsContext&, unsigned decorations, const RenderText&, bool isFirstLine, std::optional<Styles> = std::nullopt);
>+    TextDecorationPainter(GraphicsContext&, OptionSet<TextDecoration> decorations, const RenderText&, bool isFirstLine, std::optional<Styles> = std::nullopt);
>     
>     void setInlineTextBox(const InlineTextBox* inlineTextBox) { m_inlineTextBox = inlineTextBox; }
>     void setFont(const FontCascade& font) { m_font = &font; }
>@@ -66,8 +65,7 @@ public:
>         TextDecorationStyle overlineStyle;
>         TextDecorationStyle linethroughStyle;
>     };
>-    // FIXME: Make requestedDecorations an OptionSet<TextDecoration>. See <https://bugs.webkit.org/show_bug.cgi?id=176844>.
>-    static Styles stylesForRenderer(const RenderObject&, unsigned requestedDecorations, bool firstLineStyle = false, PseudoId = PseudoId::None);
>+    static Styles stylesForRenderer(const RenderObject&, OptionSet<TextDecoration> requestedDecorations, bool firstLineStyle = false, PseudoId = PseudoId::None);
> 
> private:
>     GraphicsContext& m_context;
>Index: Source/WebCore/rendering/TextPaintStyle.cpp
>===================================================================
>--- Source/WebCore/rendering/TextPaintStyle.cpp	(revision 232189)
>+++ Source/WebCore/rendering/TextPaintStyle.cpp	(working copy)
>@@ -79,7 +79,7 @@ TextPaintStyle computeTextPaintStyle(con
>     TextPaintStyle paintStyle;
> 
> #if ENABLE(LETTERPRESS)
>-    paintStyle.useLetterpressEffect = lineStyle.textDecorationsInEffect() & TextDecorationLetterpress;
>+    paintStyle.useLetterpressEffect = lineStyle.textDecorationsInEffect().contains(TextDecoration::Letterpress);
> #endif
>     auto viewportSize = frame.view() ? frame.view()->size() : IntSize();
>     paintStyle.strokeWidth = lineStyle.computedStrokeWidth(viewportSize);
>Index: Source/WebCore/rendering/line/BreakingContext.h
>===================================================================
>--- Source/WebCore/rendering/line/BreakingContext.h	(revision 232189)
>+++ Source/WebCore/rendering/line/BreakingContext.h	(working copy)
>@@ -763,9 +763,9 @@ inline bool BreakingContext::handleText(
>     const FontCascade& font = style.fontCascade();
>     bool isFixedPitch = font.isFixedPitch();
>     bool canHyphenate = style.hyphens() == Hyphens::Auto && WebCore::canHyphenate(style.locale());
>-    bool canHangPunctuationAtStart = style.hangingPunctuation() & FirstHangingPunctuation;
>-    bool canHangPunctuationAtEnd = style.hangingPunctuation() & LastHangingPunctuation;
>-    bool canHangStopOrCommaAtLineEnd = style.hangingPunctuation() & AllowEndHangingPunctuation;
>+    bool canHangPunctuationAtStart = style.hangingPunctuation().contains(HangingPunctuation::First);
>+    bool canHangPunctuationAtEnd = style.hangingPunctuation().contains(HangingPunctuation::Last);
>+    bool canHangStopOrCommaAtLineEnd = style.hangingPunctuation().contains(HangingPunctuation::AllowEnd);
>     int endPunctuationIndex = canHangPunctuationAtEnd && m_collapseWhiteSpace ? renderText.lastCharacterIndexStrippingSpaces() : renderText.text().length() - 1;
>     unsigned lastSpace = m_current.offset();
>     float wordSpacing = m_currentStyle->fontCascade().wordSpacing();
>Index: Source/WebCore/rendering/style/RenderStyle.cpp
>===================================================================
>--- Source/WebCore/rendering/style/RenderStyle.cpp	(revision 232189)
>+++ Source/WebCore/rendering/style/RenderStyle.cpp	(working copy)
>@@ -147,7 +147,7 @@ RenderStyle::RenderStyle(CreateDefaultSt
>     m_inheritedFlags.visibility = static_cast<unsigned>(initialVisibility());
>     m_inheritedFlags.textAlign = static_cast<unsigned>(initialTextAlign());
>     m_inheritedFlags.textTransform = static_cast<unsigned>(initialTextTransform());
>-    m_inheritedFlags.textDecorations = initialTextDecoration();
>+    m_inheritedFlags.textDecorations = initialTextDecoration().toRaw();
>     m_inheritedFlags.cursor = static_cast<unsigned>(initialCursor());
> #if ENABLE(CURSOR_VISIBILITY)
>     m_inheritedFlags.cursorVisibility = static_cast<unsigned>(initialCursorVisibility());
>@@ -539,8 +539,8 @@ inline bool RenderStyle::changeAffectsVi
>         || m_rareNonInheritedData->textDecorationStyle != other.m_rareNonInheritedData->textDecorationStyle) {
>         // Underlines are always drawn outside of their textbox bounds when text-underline-position: under;
>         // is specified. We can take an early out here.
>-        if (textUnderlinePosition() == TextUnderlinePositionUnder
>-            || other.textUnderlinePosition() == TextUnderlinePositionUnder)
>+        if (textUnderlinePosition() == TextUnderlinePosition::Under
>+            || other.textUnderlinePosition() == TextUnderlinePosition::Under)
>             return true;
>         return visualOverflowForDecorations(*this, nullptr) != visualOverflowForDecorations(other, nullptr);
>     }
>Index: Source/WebCore/rendering/style/RenderStyle.h
>===================================================================
>--- Source/WebCore/rendering/style/RenderStyle.h	(revision 232189)
>+++ Source/WebCore/rendering/style/RenderStyle.h	(working copy)
>@@ -69,6 +69,7 @@
> #include <memory>
> #include <wtf/Forward.h>
> #include <wtf/NeverDestroyed.h>
>+#include <wtf/OptionSet.h>
> #include <wtf/StdLibExtras.h>
> #include <wtf/Vector.h>
> 
>@@ -365,10 +366,10 @@ public:
>     const Length& textIndent() const { return m_rareInheritedData->indent; }
>     TextAlignMode textAlign() const { return static_cast<TextAlignMode>(m_inheritedFlags.textAlign); }
>     TextTransform textTransform() const { return static_cast<TextTransform>(m_inheritedFlags.textTransform); }
>-    TextDecoration textDecorationsInEffect() const { return static_cast<TextDecoration>(m_inheritedFlags.textDecorations); }
>-    TextDecoration textDecoration() const { return static_cast<TextDecoration>(m_visualData->textDecoration); }
>+    OptionSet<TextDecoration> textDecorationsInEffect() const { return OptionSet<TextDecoration>::fromRaw(m_inheritedFlags.textDecorations); }
>+    OptionSet<TextDecoration> textDecoration() const { return OptionSet<TextDecoration>::fromRaw(m_visualData->textDecoration); }
>     TextDecorationStyle textDecorationStyle() const { return static_cast<TextDecorationStyle>(m_rareNonInheritedData->textDecorationStyle); }
>-    TextDecorationSkip textDecorationSkip() const { return static_cast<TextDecorationSkip>(m_rareInheritedData->textDecorationSkip); }
>+    OptionSet<TextDecorationSkip> textDecorationSkip() const { return OptionSet<TextDecorationSkip>::fromRaw(m_rareInheritedData->textDecorationSkip); }
>     TextUnderlinePosition textUnderlinePosition() const { return static_cast<TextUnderlinePosition>(m_rareInheritedData->textUnderlinePosition); }
> 
> #if ENABLE(CSS3_TEXT)
>@@ -488,7 +489,7 @@ public:
>     BreakBetween breakBefore() const { return static_cast<BreakBetween>(m_rareNonInheritedData->breakBefore); }
>     BreakBetween breakAfter() const { return static_cast<BreakBetween>(m_rareNonInheritedData->breakAfter); }
> 
>-    HangingPunctuation hangingPunctuation() const { return static_cast<HangingPunctuation>(m_rareInheritedData->hangingPunctuation); }
>+    OptionSet<HangingPunctuation> hangingPunctuation() const { return OptionSet<HangingPunctuation>::fromRaw(m_rareInheritedData->hangingPunctuation); }
> 
>     float outlineOffset() const;
>     const ShadowData* textShadow() const { return m_rareInheritedData->textShadow.get(); }
>@@ -620,7 +621,7 @@ public:
>     TextEmphasisFill textEmphasisFill() const { return static_cast<TextEmphasisFill>(m_rareInheritedData->textEmphasisFill); }
>     TextEmphasisMark textEmphasisMark() const;
>     const AtomicString& textEmphasisCustomMark() const { return m_rareInheritedData->textEmphasisCustomMark; }
>-    TextEmphasisPosition textEmphasisPosition() const { return static_cast<TextEmphasisPosition>(m_rareInheritedData->textEmphasisPosition); }
>+    OptionSet<TextEmphasisPosition> textEmphasisPosition() const { return OptionSet<TextEmphasisPosition>::fromRaw(m_rareInheritedData->textEmphasisPosition); }
>     const AtomicString& textEmphasisMarkString() const;
> 
>     RubyPosition rubyPosition() const { return static_cast<RubyPosition>(m_rareInheritedData->rubyPosition); }
>@@ -746,7 +747,7 @@ public:
>     float imageResolution() const { return m_rareInheritedData->imageResolution; }
> #endif
>     
>-    ESpeakAs speakAs() const { return static_cast<ESpeakAs>(m_rareInheritedData->speakAs); }
>+    OptionSet<SpeakAs> speakAs() const { return OptionSet<SpeakAs>::fromRaw(m_rareInheritedData->speakAs); }
> 
>     FilterOperations& mutableFilter() { return m_rareNonInheritedData.access().filter.access().operations; }
>     const FilterOperations& filter() const { return m_rareNonInheritedData->filter->operations; }
>@@ -915,11 +916,11 @@ public:
>     void setTextIndent(Length&& length) { SET_VAR(m_rareInheritedData, indent, WTFMove(length)); }
>     void setTextAlign(TextAlignMode v) { m_inheritedFlags.textAlign = static_cast<unsigned>(v); }
>     void setTextTransform(TextTransform v) { m_inheritedFlags.textTransform = static_cast<unsigned>(v); }
>-    void addToTextDecorationsInEffect(TextDecoration v) { m_inheritedFlags.textDecorations |= v; }
>-    void setTextDecorationsInEffect(TextDecoration v) { m_inheritedFlags.textDecorations = v; }
>-    void setTextDecoration(TextDecoration v) { SET_VAR(m_visualData, textDecoration, v); }
>+    void addToTextDecorationsInEffect(OptionSet<TextDecoration> v) { m_inheritedFlags.textDecorations |= static_cast<unsigned>(v.toRaw()); }
>+    void setTextDecorationsInEffect(OptionSet<TextDecoration> v) { m_inheritedFlags.textDecorations = v.toRaw(); }
>+    void setTextDecoration(OptionSet<TextDecoration> v) { SET_VAR(m_visualData, textDecoration, v.toRaw()); }
>     void setTextDecorationStyle(TextDecorationStyle v) { SET_VAR(m_rareNonInheritedData, textDecorationStyle, static_cast<unsigned>(v)); }
>-    void setTextDecorationSkip(TextDecorationSkip skip) { SET_VAR(m_rareInheritedData, textDecorationSkip, static_cast<unsigned>(skip)); }
>+    void setTextDecorationSkip(OptionSet<TextDecorationSkip> skip) { SET_VAR(m_rareInheritedData, textDecorationSkip, skip.toRaw()); }
>     void setTextUnderlinePosition(TextUnderlinePosition v) { SET_VAR(m_rareInheritedData, textUnderlinePosition, static_cast<unsigned>(v)); }
>     void setDirection(TextDirection v) { m_inheritedFlags.direction = static_cast<unsigned>(v); }
>     void setHasExplicitlySetDirection(bool v) { m_nonInheritedFlags.hasExplicitlySetDirection = v; }
>@@ -1145,14 +1146,14 @@ public:
>     void setTransformOriginZ(float f) { SET_NESTED_VAR(m_rareNonInheritedData, transform, z, f); }
>     void setTransformBox(TransformBox box) { SET_NESTED_VAR(m_rareNonInheritedData, transform, transformBox, box); }
> 
>-    void setSpeakAs(ESpeakAs s) { SET_VAR(m_rareInheritedData, speakAs, s); }
>+    void setSpeakAs(OptionSet<SpeakAs> s) { SET_VAR(m_rareInheritedData, speakAs, s.toRaw()); }
>     void setTextCombine(TextCombine v) { SET_VAR(m_rareNonInheritedData, textCombine, static_cast<unsigned>(v)); }
>     void setTextDecorationColor(const Color& c) { SET_VAR(m_rareNonInheritedData, textDecorationColor, c); }
>     void setTextEmphasisColor(const Color& c) { SET_VAR(m_rareInheritedData, textEmphasisColor, c); }
>     void setTextEmphasisFill(TextEmphasisFill fill) { SET_VAR(m_rareInheritedData, textEmphasisFill, static_cast<unsigned>(fill)); }
>     void setTextEmphasisMark(TextEmphasisMark mark) { SET_VAR(m_rareInheritedData, textEmphasisMark, static_cast<unsigned>(mark)); }
>     void setTextEmphasisCustomMark(const AtomicString& mark) { SET_VAR(m_rareInheritedData, textEmphasisCustomMark, mark); }
>-    void setTextEmphasisPosition(TextEmphasisPosition position) { SET_VAR(m_rareInheritedData, textEmphasisPosition, position); }
>+    void setTextEmphasisPosition(OptionSet<TextEmphasisPosition> position) { SET_VAR(m_rareInheritedData, textEmphasisPosition, static_cast<unsigned>(position.toRaw())); }
>     bool setTextOrientation(TextOrientation);
> 
>     void setObjectFit(ObjectFit fit) { SET_VAR(m_rareNonInheritedData, objectFit, static_cast<unsigned>(fit)); }
>@@ -1173,7 +1174,7 @@ public:
>     void setBreakAfter(BreakBetween breakBehavior) { SET_VAR(m_rareNonInheritedData, breakAfter, static_cast<unsigned>(breakBehavior)); }
>     void setBreakInside(BreakInside breakBehavior) { SET_VAR(m_rareNonInheritedData, breakInside, static_cast<unsigned>(breakBehavior)); }
>     
>-    void setHangingPunctuation(HangingPunctuation punctuation) { SET_VAR(m_rareInheritedData, hangingPunctuation, static_cast<unsigned>(punctuation)); }
>+    void setHangingPunctuation(OptionSet<HangingPunctuation> punctuation) { SET_VAR(m_rareInheritedData, hangingPunctuation, punctuation.toRaw()); }
> 
>     // End CSS3 Setters
> 
>@@ -1434,7 +1435,7 @@ public:
>     static Float initialFloating() { return Float::No; }
>     static BreakBetween initialBreakBetween() { return BreakBetween::Auto; }
>     static BreakInside initialBreakInside() { return BreakInside::Auto; }
>-    static HangingPunctuation initialHangingPunctuation() { return NoHangingPunctuation; }
>+    static OptionSet<HangingPunctuation> initialHangingPunctuation() { return OptionSet<HangingPunctuation> { }; }
>     static TableLayoutType initialTableLayout() { return TableLayoutType::Auto; }
>     static BorderCollapse initialBorderCollapse() { return BorderCollapse::Separate; }
>     static BorderStyle initialBorderStyle() { return BorderStyle::None; }
>@@ -1479,10 +1480,10 @@ public:
>     static short initialOrphans() { return 2; }
>     static Length initialLineHeight() { return Length(-100.0f, Percent); }
>     static TextAlignMode initialTextAlign() { return TextAlignMode::Start; }
>-    static TextDecoration initialTextDecoration() { return TextDecorationNone; }
>+    static OptionSet<TextDecoration> initialTextDecoration() { return OptionSet<TextDecoration> { }; }
>     static TextDecorationStyle initialTextDecorationStyle() { return TextDecorationStyle::Solid; }
>-    static TextDecorationSkip initialTextDecorationSkip() { return TextDecorationSkipAuto; }
>-    static TextUnderlinePosition initialTextUnderlinePosition() { return TextUnderlinePositionAuto; }
>+    static OptionSet<TextDecorationSkip> initialTextDecorationSkip() { return TextDecorationSkip::Auto; }
>+    static TextUnderlinePosition initialTextUnderlinePosition() { return TextUnderlinePosition::Auto; }
>     static float initialZoom() { return 1.0f; }
>     static TextZoom initialTextZoom() { return TextZoom::Normal; }
>     static float initialOutlineOffset() { return 0; }
>@@ -1523,7 +1524,7 @@ public:
>     static OverflowWrap initialOverflowWrap() { return OverflowWrap::Normal; }
>     static NBSPMode initialNBSPMode() { return NBSPMode::Normal; }
>     static LineBreak initialLineBreak() { return LineBreak::Auto; }
>-    static ESpeakAs initialSpeakAs() { return SpeakNormal; }
>+    static OptionSet<SpeakAs> initialSpeakAs() { return SpeakAs::Normal; }
>     static Hyphens initialHyphens() { return Hyphens::Manual; }
>     static short initialHyphenationLimitBefore() { return -1; }
>     static short initialHyphenationLimitAfter() { return -1; }
>@@ -1558,7 +1559,7 @@ public:
>     static TextEmphasisFill initialTextEmphasisFill() { return TextEmphasisFill::Filled; }
>     static TextEmphasisMark initialTextEmphasisMark() { return TextEmphasisMark::None; }
>     static const AtomicString& initialTextEmphasisCustomMark() { return nullAtom(); }
>-    static TextEmphasisPosition initialTextEmphasisPosition() { return TextEmphasisPositionOver | TextEmphasisPositionRight; }
>+    static OptionSet<TextEmphasisPosition> initialTextEmphasisPosition() { return { TextEmphasisPosition::Over, TextEmphasisPosition::Right }; }
>     static RubyPosition initialRubyPosition() { return RubyPosition::Before; }
>     static LineBoxContain initialLineBoxContain() { return LineBoxContainBlock | LineBoxContainInline | LineBoxContainReplaced; }
>     static ImageOrientationEnum initialImageOrientation() { return OriginTopLeft; }
>Index: Source/WebCore/rendering/style/RenderStyleConstants.h
>===================================================================
>--- Source/WebCore/rendering/style/RenderStyleConstants.h	(revision 232189)
>+++ Source/WebCore/rendering/style/RenderStyleConstants.h	(working copy)
>@@ -687,18 +687,16 @@ static const size_t TextDecorationBits =
> #else
> static const size_t TextDecorationBits = 4;
> #endif
>-enum TextDecoration {
>-    TextDecorationNone          = 0,
>-    TextDecorationUnderline     = 1 << 0,
>-    TextDecorationOverline      = 1 << 1,
>-    TextDecorationLineThrough   = 1 << 2,
>-    TextDecorationBlink         = 1 << 3,
>+enum class TextDecoration {
>+    None          = 0,
>+    Underline     = 1 << 0,
>+    Overline      = 1 << 1,
>+    LineThrough   = 1 << 2,
>+    Blink         = 1 << 3,
> #if ENABLE(LETTERPRESS)
>-    TextDecorationLetterpress   = 1 << 4,
>+    Letterpress   = 1 << 4,
> #endif
> };
>-inline TextDecoration operator|(TextDecoration a, TextDecoration b) { return TextDecoration(int(a) | int(b)); }
>-inline TextDecoration& operator|=(TextDecoration& a, TextDecoration b) { return a = a | b; }
> 
> enum class TextDecorationStyle {
>     Solid,
>@@ -727,19 +725,19 @@ enum class TextJustify {
> };
> #endif // CSS3_TEXT
> 
>-enum TextDecorationSkipItems {
>-    TextDecorationSkipNone      = 0,
>-    TextDecorationSkipInk       = 1 << 0,
>-    TextDecorationSkipObjects   = 1 << 1,
>-    TextDecorationSkipAuto      = 1 << 2
>+enum class TextDecorationSkip {
>+    None      = 0,
>+    Ink       = 1 << 0,
>+    Objects   = 1 << 1,
>+    Auto      = 1 << 2
> };
>-typedef unsigned TextDecorationSkip;
> 
>-enum TextUnderlinePosition {
>+// FIXME: There is no reason for the values in the enum to be powers of two.
>+enum class TextUnderlinePosition {
>     // FIXME: Implement support for 'under left' and 'under right' values.
>-    TextUnderlinePositionAuto       = 1 << 0,
>-    TextUnderlinePositionAlphabetic = 1 << 1,
>-    TextUnderlinePositionUnder      = 1 << 2
>+    Auto       = 1 << 0,
>+    Alphabetic = 1 << 1,
>+    Under      = 1 << 2
> };
> 
> enum class TextZoom {
>@@ -768,15 +766,13 @@ enum class BreakInside {
>     AvoidPage
> };
> 
>-enum HangingPunctuation {
>-    NoHangingPunctuation        = 0,
>-    FirstHangingPunctuation     = 1 << 0,
>-    LastHangingPunctuation      = 1 << 1,
>-    AllowEndHangingPunctuation  = 1 << 2,
>-    ForceEndHangingPunctuation  = 1 << 3
>+enum class HangingPunctuation {
>+    None      = 0,
>+    First     = 1 << 0,
>+    Last      = 1 << 1,
>+    AllowEnd  = 1 << 2,
>+    ForceEnd  = 1 << 3
> };
>-inline HangingPunctuation operator|(HangingPunctuation a, HangingPunctuation b) { return HangingPunctuation(int(a) | int(b)); }
>-inline HangingPunctuation& operator|=(HangingPunctuation& a, HangingPunctuation b) { return a = a | b; }
> 
> enum class EmptyCell {
>     Show,
>@@ -929,15 +925,13 @@ enum class Hyphens {
>     Auto
> };
> 
>-enum ESpeakAs {
>-    SpeakNormal             = 0,
>-    SpeakSpellOut           = 1 << 0,
>-    SpeakDigits             = 1 << 1,
>-    SpeakLiteralPunctuation = 1 << 2,
>-    SpeakNoPunctuation      = 1 << 3
>+enum class SpeakAs {
>+    Normal             = 0,
>+    SpellOut           = 1 << 0,
>+    Digits             = 1 << 1,
>+    LiteralPunctuation = 1 << 2,
>+    NoPunctuation      = 1 << 3
> };
>-inline ESpeakAs operator|(ESpeakAs a, ESpeakAs b) { return ESpeakAs(int(a) | int(b)); }
>-inline ESpeakAs& operator|=(ESpeakAs& a, ESpeakAs b) { return a = a | b; }
> 
> enum class TextEmphasisFill {
>     Filled,
>@@ -955,13 +949,12 @@ enum class TextEmphasisMark {
>     Custom
> };
> 
>-enum TextEmphasisPositions {
>-    TextEmphasisPositionOver  = 1 << 0,
>-    TextEmphasisPositionUnder = 1 << 1,
>-    TextEmphasisPositionLeft  = 1 << 2,
>-    TextEmphasisPositionRight = 1 << 3
>+enum class TextEmphasisPosition {
>+    Over  = 1 << 0,
>+    Under = 1 << 1,
>+    Left  = 1 << 2,
>+    Right = 1 << 3
> };
>-typedef unsigned TextEmphasisPosition;
> 
> enum class TextOrientation {
>     Mixed,
>Index: Source/WebCore/rendering/style/StyleRareInheritedData.cpp
>===================================================================
>--- Source/WebCore/rendering/style/StyleRareInheritedData.cpp	(revision 232189)
>+++ Source/WebCore/rendering/style/StyleRareInheritedData.cpp	(working copy)
>@@ -87,11 +87,11 @@ StyleRareInheritedData::StyleRareInherit
>     , nbspMode(static_cast<unsigned>(NBSPMode::Normal))
>     , lineBreak(static_cast<unsigned>(LineBreak::Auto))
>     , userSelect(static_cast<unsigned>(RenderStyle::initialUserSelect()))
>-    , speakAs(static_cast<unsigned>(SpeakNormal))
>+    , speakAs(RenderStyle::initialSpeakAs().toRaw())
>     , hyphens(static_cast<unsigned>(Hyphens::Manual))
>     , textEmphasisFill(static_cast<unsigned>(TextEmphasisFill::Filled))
>     , textEmphasisMark(static_cast<unsigned>(TextEmphasisMark::None))
>-    , textEmphasisPosition(static_cast<unsigned>(TextEmphasisPositionOver | TextEmphasisPositionRight))
>+    , textEmphasisPosition(static_cast<unsigned>(RenderStyle::initialTextEmphasisPosition().toRaw()))
>     , textOrientation(static_cast<unsigned>(TextOrientation::Mixed))
> #if ENABLE(CSS3_TEXT)
>     , textIndentLine(RenderStyle::initialTextIndentLine())
>@@ -115,8 +115,8 @@ StyleRareInheritedData::StyleRareInherit
>     , textAlignLast(RenderStyle::initialTextAlignLast())
>     , textJustify(RenderStyle::initialTextJustify())
> #endif
>-    , textDecorationSkip(RenderStyle::initialTextDecorationSkip())
>-    , textUnderlinePosition(RenderStyle::initialTextUnderlinePosition())
>+    , textDecorationSkip(RenderStyle::initialTextDecorationSkip().toRaw())
>+    , textUnderlinePosition(static_cast<unsigned>(RenderStyle::initialTextUnderlinePosition()))
>     , rubyPosition(static_cast<unsigned>(RenderStyle::initialRubyPosition()))
>     , textZoom(static_cast<unsigned>(RenderStyle::initialTextZoom()))
> #if PLATFORM(IOS)
>@@ -125,7 +125,7 @@ StyleRareInheritedData::StyleRareInherit
> #if ENABLE(CSS_TRAILING_WORD)
>     , trailingWord(static_cast<unsigned>(RenderStyle::initialTrailingWord()))
> #endif
>-    , hangingPunctuation(RenderStyle::initialHangingPunctuation())
>+    , hangingPunctuation(RenderStyle::initialHangingPunctuation().toRaw())
>     , paintOrder(static_cast<unsigned>(RenderStyle::initialPaintOrder()))
>     , capStyle(RenderStyle::initialCapStyle())
>     , joinStyle(RenderStyle::initialJoinStyle())
>Index: Source/WebCore/rendering/style/StyleVisualData.cpp
>===================================================================
>--- Source/WebCore/rendering/style/StyleVisualData.cpp	(revision 232189)
>+++ Source/WebCore/rendering/style/StyleVisualData.cpp	(working copy)
>@@ -28,7 +28,7 @@ namespace WebCore {
> 
> StyleVisualData::StyleVisualData()
>     : hasClip(false)
>-    , textDecoration(RenderStyle::initialTextDecoration())
>+    , textDecoration(RenderStyle::initialTextDecoration().toRaw())
>     , zoom(RenderStyle::initialZoom())
> {
> }
>Index: Source/WebCore/rendering/svg/SVGInlineTextBox.cpp
>===================================================================
>--- Source/WebCore/rendering/svg/SVGInlineTextBox.cpp	(revision 232189)
>+++ Source/WebCore/rendering/svg/SVGInlineTextBox.cpp	(working copy)
>@@ -294,11 +294,11 @@ void SVGInlineTextBox::paint(PaintInfo& 
>             paintInfo.context().concatCTM(fragmentTransform);
> 
>         // Spec: All text decorations except line-through should be drawn before the text is filled and stroked; thus, the text is rendered on top of these decorations.
>-        int decorations = style.textDecorationsInEffect();
>-        if (decorations & TextDecorationUnderline)
>-            paintDecoration(paintInfo.context(), TextDecorationUnderline, fragment);
>-        if (decorations & TextDecorationOverline)
>-            paintDecoration(paintInfo.context(), TextDecorationOverline, fragment);
>+        auto decorations = style.textDecorationsInEffect();
>+        if (decorations & TextDecoration::Underline)
>+            paintDecoration(paintInfo.context(), TextDecoration::Underline, fragment);
>+        if (decorations & TextDecoration::Overline)
>+            paintDecoration(paintInfo.context(), TextDecoration::Overline, fragment);
> 
>         auto paintOrder = RenderStyle::paintTypesForPaintOrder(style.paintOrder());
>         for (unsigned i = 0; i < paintOrder.size(); ++i) {
>@@ -323,8 +323,8 @@ void SVGInlineTextBox::paint(PaintInfo& 
>         }
> 
>         // Spec: Line-through should be drawn after the text is filled and stroked; thus, the line-through is rendered on top of the text.
>-        if (decorations & TextDecorationLineThrough)
>-            paintDecoration(paintInfo.context(), TextDecorationLineThrough, fragment);
>+        if (decorations & TextDecoration::LineThrough)
>+            paintDecoration(paintInfo.context(), TextDecoration::LineThrough, fragment);
> 
>         setPaintingResourceMode(RenderSVGResourceMode::ApplyToDefault);
>     }
>@@ -432,22 +432,22 @@ bool SVGInlineTextBox::mapStartEndPositi
>     return true;
> }
> 
>-static inline float positionOffsetForDecoration(TextDecoration decoration, const FontMetrics& fontMetrics, float thickness)
>+static inline float positionOffsetForDecoration(OptionSet<TextDecoration> decoration, const FontMetrics& fontMetrics, float thickness)
> {
>     // FIXME: For SVG Fonts we need to use the attributes defined in the <font-face> if specified.
>     // Compatible with Batik/Opera.
>-    if (decoration == TextDecorationUnderline)
>+    if (decoration == TextDecoration::Underline)
>         return fontMetrics.floatAscent() + thickness * 1.5f;
>-    if (decoration == TextDecorationOverline)
>+    if (decoration == TextDecoration::Overline)
>         return thickness;
>-    if (decoration == TextDecorationLineThrough)
>+    if (decoration == TextDecoration::LineThrough)
>         return fontMetrics.floatAscent() * 5 / 8.0f;
> 
>     ASSERT_NOT_REACHED();
>     return 0.0f;
> }
> 
>-static inline float thicknessForDecoration(TextDecoration, const FontCascade& font)
>+static inline float thicknessForDecoration(OptionSet<TextDecoration>, const FontCascade& font)
> {
>     // FIXME: For SVG Fonts we need to use the attributes defined in the <font-face> if specified.
>     // Compatible with Batik/Opera
>@@ -461,7 +461,7 @@ static inline RenderBoxModelObject& find
>     while (parentBox) {
>         renderer = &parentBox->renderer();
> 
>-        if (renderer->style().textDecoration() != TextDecorationNone)
>+        if (renderer->style().textDecoration() != TextDecoration::None)
>             break;
> 
>         parentBox = parentBox->parent();
>@@ -471,9 +471,9 @@ static inline RenderBoxModelObject& find
>     return *renderer;
> }
> 
>-void SVGInlineTextBox::paintDecoration(GraphicsContext& context, TextDecoration decoration, const SVGTextFragment& fragment)
>+void SVGInlineTextBox::paintDecoration(GraphicsContext& context, OptionSet<TextDecoration> decoration, const SVGTextFragment& fragment)
> {
>-    if (renderer().style().textDecorationsInEffect() == TextDecorationNone)
>+    if (renderer().style().textDecorationsInEffect() == TextDecoration::None)
>         return;
> 
>     // Find out which render style defined the text-decoration, as its fill/stroke properties have to be used for drawing instead of ours.
>@@ -499,7 +499,7 @@ void SVGInlineTextBox::paintDecoration(G
>     }
> }
> 
>-void SVGInlineTextBox::paintDecorationWithStyle(GraphicsContext& context, TextDecoration decoration, const SVGTextFragment& fragment, RenderBoxModelObject& decorationRenderer)
>+void SVGInlineTextBox::paintDecorationWithStyle(GraphicsContext& context, OptionSet<TextDecoration> decoration, const SVGTextFragment& fragment, RenderBoxModelObject& decorationRenderer)
> {
>     ASSERT(!m_paintingResource);
>     ASSERT(paintingResourceMode() != RenderSVGResourceMode::ApplyToDefault);
>Index: Source/WebCore/rendering/svg/SVGInlineTextBox.h
>===================================================================
>--- Source/WebCore/rendering/svg/SVGInlineTextBox.h	(revision 232189)
>+++ Source/WebCore/rendering/svg/SVGInlineTextBox.h	(working copy)
>@@ -81,8 +81,8 @@ private:
>     bool prepareGraphicsContextForTextPainting(GraphicsContext*&, float scalingFactor, const RenderStyle&);
>     void restoreGraphicsContextAfterTextPainting(GraphicsContext*&);
> 
>-    void paintDecoration(GraphicsContext&, TextDecoration, const SVGTextFragment&);
>-    void paintDecorationWithStyle(GraphicsContext&, TextDecoration, const SVGTextFragment&, RenderBoxModelObject& decorationRenderer);
>+    void paintDecoration(GraphicsContext&, OptionSet<TextDecoration>, const SVGTextFragment&);
>+    void paintDecorationWithStyle(GraphicsContext&, OptionSet<TextDecoration>, const SVGTextFragment&, RenderBoxModelObject& decorationRenderer);
>     void paintTextWithShadows(GraphicsContext&, const RenderStyle&, TextRun&, const SVGTextFragment&, unsigned startPosition, unsigned endPosition);
>     void paintText(GraphicsContext&, const RenderStyle&, const RenderStyle& selectionStyle, const SVGTextFragment&, bool hasSelection, bool paintSelectedTextOnly);
> 
>Index: Source/WebCore/style/InlineTextBoxStyle.cpp
>===================================================================
>--- Source/WebCore/style/InlineTextBoxStyle.cpp	(revision 232189)
>+++ Source/WebCore/style/InlineTextBoxStyle.cpp	(working copy)
>@@ -40,7 +40,7 @@ int computeUnderlineOffset(TextUnderline
>     // FIXME: The code for visual overflow detection passes in a null inline text box. This means it is now
>     // broken for the case where auto needs to behave like "under".
>     
>-    // According to the specification TextUnderlinePositionAuto should avoid drawing through glyphs in
>+    // According to the specification TextUnderlinePosition::Auto should avoid drawing through glyphs in
>     // scripts where it would not be appropriate (e.g., ideographs).
>     // Strictly speaking this can occur whenever the line contains ideographs
>     // even if it is horizontal, but detecting this has performance implications. For now we only work with
>@@ -48,35 +48,35 @@ int computeUnderlineOffset(TextUnderline
>     // case.
>     
>     TextUnderlinePosition resolvedUnderlinePosition = underlinePosition;
>-    if (resolvedUnderlinePosition == TextUnderlinePositionAuto) {
>+    if (resolvedUnderlinePosition == TextUnderlinePosition::Auto) {
>         if (inlineTextBox)
>-            resolvedUnderlinePosition = inlineTextBox->root().baselineType() == IdeographicBaseline ? TextUnderlinePositionUnder : TextUnderlinePositionAlphabetic;
>+            resolvedUnderlinePosition = inlineTextBox->root().baselineType() == IdeographicBaseline ? TextUnderlinePosition::Under : TextUnderlinePosition::Alphabetic;
>         else
>-            resolvedUnderlinePosition = TextUnderlinePositionAlphabetic;
>+            resolvedUnderlinePosition = TextUnderlinePosition::Alphabetic;
>     }
>     
>     switch (resolvedUnderlinePosition) {
>-    case TextUnderlinePositionAlphabetic:
>+    case TextUnderlinePosition::Alphabetic:
>         return fontMetrics.ascent() + gap;
>-    case TextUnderlinePositionUnder: {
>+    case TextUnderlinePosition::Under: {
>         ASSERT(inlineTextBox);
>         // Position underline relative to the bottom edge of the lowest element's content box.
>         const RootInlineBox& rootBox = inlineTextBox->root();
>-        const RenderElement* decorationRenderer = inlineTextBox->parent()->renderer().enclosingRendererWithTextDecoration(TextDecorationUnderline, inlineTextBox->isFirstLine());
>+        const RenderElement* decorationRenderer = inlineTextBox->parent()->renderer().enclosingRendererWithTextDecoration(TextDecoration::Underline, inlineTextBox->isFirstLine());
>         
>         float offset;
>         if (inlineTextBox->renderer().style().isFlippedLinesWritingMode()) {
>             offset = inlineTextBox->logicalTop();
>-            rootBox.minLogicalTopForTextDecorationLine(offset, decorationRenderer, TextDecorationUnderline);
>+            rootBox.minLogicalTopForTextDecorationLine(offset, decorationRenderer, TextDecoration::Underline);
>             offset = inlineTextBox->logicalTop() - offset;
>         } else {
>             offset = inlineTextBox->logicalBottom();
>-            rootBox.maxLogicalBottomForTextDecorationLine(offset, decorationRenderer, TextDecorationUnderline);
>+            rootBox.maxLogicalBottomForTextDecorationLine(offset, decorationRenderer, TextDecoration::Underline);
>             offset -= inlineTextBox->logicalBottom();
>         }
>         return inlineTextBox->logicalHeight() + gap + std::max<float>(offset, 0);
>     }
>-    case TextUnderlinePositionAuto:
>+    case TextUnderlinePosition::Auto:
>         ASSERT_NOT_REACHED();
>     }
> 
>@@ -106,8 +106,8 @@ GlyphOverflow visualOverflowForDecoratio
> {
>     ASSERT(!inlineTextBox || inlineTextBox->lineStyle() == lineStyle);
>     
>-    TextDecoration decoration = lineStyle.textDecorationsInEffect();
>-    if (decoration == TextDecorationNone)
>+    auto decoration = lineStyle.textDecorationsInEffect();
>+    if (decoration == TextDecoration::None)
>         return GlyphOverflow();
>     
>     float strokeThickness = textDecorationStrokeThickness(lineStyle.computedFontPixelSize());
>@@ -127,7 +127,7 @@ GlyphOverflow visualOverflowForDecoratio
>     }
> 
>     // These metrics must match where underlines get drawn.
>-    if (decoration & TextDecorationUnderline) {
>+    if (decoration & TextDecoration::Underline) {
>         // Compensate for the integral ceiling in GraphicsContext::computeLineBoundsAndAntialiasingModeForText()
>         int underlineOffset = 1;
>         underlineOffset += computeUnderlineOffset(lineStyle.textUnderlinePosition(), lineStyle.fontMetrics(), inlineTextBox, strokeThickness);
>@@ -139,7 +139,7 @@ GlyphOverflow visualOverflowForDecoratio
>             extendIntToFloat(overflowResult.top, -underlineOffset);
>         }
>     }
>-    if (decoration & TextDecorationOverline) {
>+    if (decoration & TextDecoration::Overline) {
>         if (decorationStyle == TextDecorationStyle::Wavy) {
>             extendIntToFloat(overflowResult.bottom, -wavyOffset + controlPointDistance + strokeThickness - height);
>             extendIntToFloat(overflowResult.top, wavyOffset + controlPointDistance + strokeThickness);
>@@ -148,7 +148,7 @@ GlyphOverflow visualOverflowForDecoratio
>             // top is untouched
>         }
>     }
>-    if (decoration & TextDecorationLineThrough) {
>+    if (decoration & TextDecoration::LineThrough) {
>         float baseline = lineStyle.fontMetrics().floatAscent();
>         if (decorationStyle == TextDecorationStyle::Wavy) {
>             extendIntToFloat(overflowResult.bottom, 2 * baseline / 3 + controlPointDistance + strokeThickness - height);
>Index: Source/WebKitLegacy/mac/ChangeLog
>===================================================================
>--- Source/WebKitLegacy/mac/ChangeLog	(revision 232226)
>+++ Source/WebKitLegacy/mac/ChangeLog	(working copy)
>@@ -1,3 +1,14 @@
>+2018-05-26  Sam Weinig  <sam@webkit.org>
>+
>+        Modernize RenderStyleConstants.h - Part 3
>+        https://bugs.webkit.org/show_bug.cgi?id=186015
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * WebView/WebView.mm:
>+        (-[WebView updateTextTouchBar]):
>+        Update for new enum name.
>+
> 2018-05-25  Chris Dumez  <cdumez@apple.com>
> 
>         Minor ApplicationCacheStorage clean up
>Index: Source/WebKitLegacy/mac/WebView/WebView.mm
>===================================================================
>--- Source/WebKitLegacy/mac/WebView/WebView.mm	(revision 232189)
>+++ Source/WebKitLegacy/mac/WebView/WebView.mm	(working copy)
>@@ -9920,7 +9920,7 @@ - (void)updateTextTouchBar
>                     String value = typingStyle->style()->getPropertyValue(CSSPropertyWebkitTextDecorationsInEffect);
>                     [_private->_textTouchBarItemController setTextIsUnderlined:value.contains("underline")];
>                 } else
>-                    [_private->_textTouchBarItemController setTextIsUnderlined:(style->textDecorationsInEffect() & TextDecorationUnderline)];
>+                    [_private->_textTouchBarItemController setTextIsUnderlined:style->textDecorationsInEffect().contains(TextDecoration::Underline)];
> 
>                 Color textColor = style->visitedDependentColor(CSSPropertyColor);
>                 if (textColor.isValid())

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Attachments on bug 186015: 341406 | 341409 | 341410 | 341414 | 341415 | 341416 | 341432