Bug 909925 - Disable crashtest test 691096-1.html on windows. r=jesup

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extra : rebase_source : fed9ee61b50c411125714d5b68075d20b5adb699
Bug 1059132 - Log a message and continue when we found our clock went backward while using a system clock. r=jesup

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extra : rebase_source : d808c5f8f32dfa1746c9f0b19828dba9b8ecdc30
Bug 1059601 - Make sure we don't try to play audio with a system driver. r=jesup

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extra : rebase_source : 7142e0d9baf38491637d40d66375d92a0aaa9e9e