[Webkit-unassigned] [Bug 76262] New: StyleRecalc should occur when shadow root exists and light children are changed.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=76262

           Summary: StyleRecalc should occur when shadow root exists and
                    light children are changed.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: shinyak at chromium.org


To support dynamic ShadowContentElement fallback, style recalculation should occur when children of node which has shadow tree and content element are changed.
To achieve it, maybe we should add some code into Element::childrenChanged.
We should measure the performance when adding code.

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