The tests expect to be able to send messages before the WebProcess finishes launching. The fix is probably to move the dispatching of the pending messages back to ensureWebProcess but not make a message pending if the m_process is launching.
Created attachment 72076 [details] Post the pending messages in ensureWebProcess but don't make messages pending if the process is launching
Comment on attachment 72076 [details] Post the pending messages in ensureWebProcess but don't make messages pending if the process is launching Committed in r70702 http://trac.webkit.org/changeset/70702