[Webkit-unassigned] [Bug 32846] Timeline Panel timings are polluted by DOM Mutation events (which force inline Style Recalculations)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=32846





--- Comment #4 from James Robinson <jamesr at chromium.org>  2009-12-21 23:43:18 PST ---
Unregistering the DOM mutation event listeners won't change anything - setting
them sets bits on the Document's m_listenerTypes bitset which causes the
mutation events to fire.  See
http://trac.webkit.org/browser/trunk/WebCore/dom/Document.h#L616. These bits
are never cleared, so the event dispatch code will still run (including the
style match) even if the DOM panel is disabled.

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