Steve Block 3cf18f5c96 Fix DumpRenderTree2 to wait for the WebCore thread to become ready
This is required to make sure that the WebCore thread's message
handlers are ready to receive settings.

Change-Id: I2c4df95e3b7409535b739ada957d93a7e6cd78d6
2010-09-22 15:43:34 +01:00
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