0141e7812a
Use millisecond timestamps in the IVF container rather than having 1.0/30 units of time. This prevents a drift in the replay of the video because the recorder might not schedule frames at exactly 33.3333ms. BUG=503153 TEST=record a 2 minutes vp8 video using the video encoder NaCl SDK and verify the produced video last exactly 2 minutes Review URL: https://codereview.chromium.org/1226203010 Cr-Commit-Position: refs/heads/master@{#338694}