[RenderTreeBuilder] Move RenderBlockFlow addChild logic to RenderTreeBuilder

[zalan]

ssia

[Radar WebKit Bug Importer]

<rdar://problem/36328117>

[zalan]

Created attachment 330590 [details]
Patch

[Antti Koivisto]

Comment on attachment 330590 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=330590&action=review

> Source/WebCore/rendering/RenderBlockFlow.cpp:3835
>  void RenderBlockFlow::addChild(RenderTreeBuilder& builder, RenderPtr<RenderObject> newChild, RenderObject* beforeChild)
>  {
> -    if (multiColumnFlow() && (!isFieldset() || !newChild->isLegend()))
> -        return builder.insertChild(*multiColumnFlow(), WTFMove(newChild), beforeChild);
> -    auto* beforeChildOrPlaceholder = beforeChild;
> -    if (auto* containingFragmentedFlow = enclosingFragmentedFlow())
> -        beforeChildOrPlaceholder = containingFragmentedFlow->resolveMovedChild(beforeChild);
> -    RenderBlock::addChild(builder, WTFMove(newChild), beforeChildOrPlaceholder);
> +    builder.insertChildToRenderBlockFlow(*this, WTFMove(newChild), beforeChild);
>  }

Are there still some RenderBlockFlow subclasses with custom addChilds left? If not this could just move completely.

> Source/WebCore/rendering/updating/RenderTreeBuilderBlockFlow.h:32
> +class RenderTreeBuilder::BlockFlow {

Not sure how many of these we want. Could all Block stuff go to a single helper?

[zalan]

Created attachment 330716 [details]
Patch

[WebKit Commit Bot]

Comment on attachment 330716 [details]
Patch

Clearing flags on attachment: 330716

Committed r226537: <https://trac.webkit.org/changeset/226537>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.