This does not happen on Non-e10s window. Steps To Reproduce: 1. Enable e10s autostart and restart 2. Open http://edition.cnn.com/video/ 3. Click a thumbnail to start video Actual Results: No video displays, sound only Expected Results: Video and sound should play back properly.
The CNN videos work for me with Nightly 34 build 2014-07-30 on OS X.
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