Bug 161219 – Regression(r204605): WebCore::checkExistingName() logs error messages on iOS

• Status: ASSIGNED
• Component: DOM

[Chris Dumez]

WebCore::checkExistingName() logs error messages on iOS after r204605:
ERROR: alias x-mac-cyrillic maps to x-mac-cyrillic already, but someone is trying to make it map to macos-7_3-10.2
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias windows-10007 maps to x-mac-cyrillic already, but someone is trying to make it map to macos-7_3-10.2
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias mac-cyrillic maps to x-mac-cyrillic already, but someone is trying to make it map to macos-7_3-10.2
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias maccy maps to x-mac-cyrillic already, but someone is trying to make it map to macos-7_3-10.2
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias x-MacCyrillic maps to x-mac-cyrillic already, but someone is trying to make it map to macos-7_3-10.2
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias x-MacUkraine maps to x-mac-cyrillic already, but someone is trying to make it map to macos-7_3-10.2
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias x-mac-greek maps to x-mac-greek already, but someone is trying to make it map to macos-6_2-10.4
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias windows-10006 maps to x-mac-greek already, but someone is trying to make it map to macos-6_2-10.4
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias macgr maps to x-mac-greek already, but someone is trying to make it map to macos-6_2-10.4
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias x-MacGreek maps to x-mac-greek already, but someone is trying to make it map to macos-6_2-10.4
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias x-mac-centraleurroman maps to x-mac-centraleurroman already, but someone is trying to make it map to macos-29-10.2
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias windows-10029 maps to x-mac-centraleurroman already, but someone is trying to make it map to macos-29-10.2
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias x-mac-ce maps to x-mac-centraleurroman already, but someone is trying to make it map to macos-29-10.2
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias macce maps to x-mac-centraleurroman already, but someone is trying to make it map to macos-29-10.2
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias maccentraleurope maps to x-mac-centraleurroman already, but someone is trying to make it map to macos-29-10.2
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias x-MacCentralEurope maps to x-mac-centraleurroman already, but someone is trying to make it map to macos-29-10.2
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias x-mac-turkish maps to x-mac-turkish already, but someone is trying to make it map to macos-35-10.2
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias windows-10081 maps to x-mac-turkish already, but someone is trying to make it map to macos-35-10.2
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias mactr maps to x-mac-turkish already, but someone is trying to make it map to macos-35-10.2
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)
ERROR: alias x-MacTurkish maps to x-mac-turkish already, but someone is trying to make it map to macos-35-10.2
/Volumes/Data/Safari/OpenSource/Source/WebCore/platform/text/TextEncodingRegistry.cpp(138) : void WebCore::checkExistingName(const char *, const char *)

[Chris Dumez]

Created attachment 287043 [details]
Patch

[Alexey Proskuryakov]

Comment on attachment 287043 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=287043&action=review

> Source/WebCore/ChangeLog:12
> +        I also dropped to 2 remaining ones (macos-6-10.2, softbank-sjis) because:

The latter is scary, I'm pretty sure that it is the important on iOS - although I do not know if it gets used in WebKit specifically.