GitLab

BUG=318432
TEST=tools/perf/run_benchmark media.tough_media_cases (with tough_video_cases.json edited to include invalid media URLs)

Review URL: https://codereview.chromium.org/70333004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235672 0039d316-1c4b-4281-b951-d872f2087c98