GitLab

Use the MediaLog ID associated with each WebMediaPlayerImpl object as a
unique identifier, to allow the media metric to handle multiple media
playbacks in a single trace.

Bug: 775264
Change-Id: I412bbf5bf8ccab223c027cb5c936fac3de47251e
Reviewed-on: https://chromium-review.googlesource.com/741143Reviewed-by: Caleb Rouleau <crouleau@chromium.org>
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Reviewed-by: Dan Sanders <sandersd@chromium.org>
Commit-Queue: John Chen <johnchen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#513024}