PartialRuleUpdate  190 Source/core/css/CSSStyleSheet.cpp     didMutate(PartialRuleUpdate);
PartialRuleUpdate  201 Source/core/css/CSSStyleSheet.cpp     StyleResolverUpdateMode updateMode = updateType != PartialRuleUpdate ? AnalyzedStyleUpdate : FullStyleUpdate;
PartialRuleUpdate  108 Source/core/css/CSSStyleSheet.h     void didMutate(StyleSheetUpdateType = PartialRuleUpdate);