[Webkit-unassigned] [Bug 163480] New: CounterNode::resetRenderers is so inefficient.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=163480

            Bug ID: 163480
           Summary: CounterNode::resetRenderers is so inefficient.
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: zalan at apple.com
                CC: simon.fraser at apple.com

It calls into RenderCounter::invalidate() which in turn calls back to the CounterNode to remove the renderer.
    while (m_rootRenderer)
        m_rootRenderer->invalidate(); // This makes m_rootRenderer point to the next renderer if any since it disconnects the m_rootRenderer from this.

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