[Webkit-unassigned] [Bug 73421] New: Reuse cached style fully if the parent inherited styles are equal

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=73421

           Summary: Reuse cached style fully if the parent inherited
                    styles are equal
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: koivisto at iki.fi


Matched declaration cache currently restores the non-inherted properties from the cache entry but still applies all inherited properties normally. In case the current parent inherited style is equivalent to the cache entry's, also the inherited style can be reused and no properties need to be applied. This is faster and saves memory (by sharing the style structures more).

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