[Webkit-unassigned] [Bug 82237] New: [chromium] assertion being hit in CCLayerAnimationController

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=82237

           Summary: [chromium] assertion being hit in
                    CCLayerAnimationController
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: shawnsingh at chromium.org
                CC: enne at google.com, nduca at chromium.org


Approximately line 244, CCLayerAnimationController::pushNewAnimationsToImplThread(...)
   ASSERT(m_activeAnimations[i]0>needsSynchronizedStartTime())

I'm hitting this assertion on desktop aura.

To reproduce:
 1. open poster circle, apple iphone, gmail  (with --force-compositing-mode)
 2. switch tabs a few times.  At some point when switching to poster circle, it triggers this assert and crashes the page.

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