[Webkit-unassigned] [Bug 154075] New: Optimize style recalc after class attribute change

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=154075

            Bug ID: 154075
           Summary: Optimize style recalc after class attribute change
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: koivisto at iki.fi

Currently a class attribute change invalidates style for the entire element subtree for any class found in the active stylesheet set. We should determine exactly which descendants are affected and invalidate just those.

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