[webkit-reviews] review requested: [Bug 85598] Share stylesheet data structures between documents : [Attachment 140241] updated patch

[bugzilla-daemon at webkit.org]

Antti Koivisto <koivisto at iki.fi> has asked  for review:
Bug 85598: Share stylesheet data structures between documents
https://bugs.webkit.org/show_bug.cgi?id=85598

Attachment 140241: updated patch
https://bugs.webkit.org/attachment.cgi?id=140241&action=review

------- Additional Comments from Antti Koivisto <koivisto at iki.fi>
- Use RAII instead of explicit willMutate/didMutate pairs
- Remove StyleSheetInternal::createChildRuleCSSOMWrapper in favor of just using
ruleAt()

Some tests coming up.