[Webkit-unassigned] [Bug 68978] message-event-constructor.html crashes and fails

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Oct 5 22:31:14 PDT 2011


https://bugs.webkit.org/show_bug.cgi?id=68978


MORITA Hajime <morrita at google.com> changed:

           What    |Removed                     |Added
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                 CC|                            |morrita at google.com




--- Comment #4 from MORITA Hajime <morrita at google.com>  2011-10-05 22:31:13 PST ---
> static PassRefPtr<MessageEvent> create(PassOwnPtr<MessagePortArray> ports, PassRefPtr<SerializedScriptValue> data\
> , const String& origin = "", const String& lastEventId = "", PassRefPtr<DOMWindow> source = 0);
> 
> This API can be called from the context that has SerializedScriptValue but cannot convert it into ScriptValue since the context does not have ExecState. For example, WebCore/workers/WorkerMessagingProxy.cpp and WebKit/chromium/src/WebWorkerImpl.cpp are using this API. In this case, we convert the SerializedScriptValue into ScriptValue when MessageEvent.data is called (At this point, we have ExecState).
I got it.
So it looks we should have a test that create and send an MessageEvent with non-serializable object data
to worker thread, which enforces a tricky serialization.

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