[Webkit-unassigned] [Bug 187793] New: Hitting RELEASE_ASSERT(!m_activeDOMObjectAdditionForbidden) under HTMLMediaElement::resume()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=187793

            Bug ID: 187793
           Summary: Hitting
                    RELEASE_ASSERT(!m_activeDOMObjectAdditionForbidden)
                    under HTMLMediaElement::resume()
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media Elements
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: graouts at apple.com

HTMLMediaElement::resume() may end up calling prepareForLoad() which will end up calling configureMediaControls() which will in turn instantiate the media controls and run JS code, which will trigger RELEASE_ASSERT(!m_activeDOMObjectAdditionForbidden) in ScriptExecutionContext::didCreateActiveDOMObject(). We need to delay the call to prepareForLoad() in resume().

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