GitLab

Bad media may result in splice frames way in the past.  We need
to avoid crashing in this case.  See the bug for more details.

BUG=400442
TEST=new media test.

Review URL: https://codereview.chromium.org/440803002

Cr-Commit-Position: refs/heads/master@{#288284}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@288284 0039d316-1c4b-4281-b951-d872f2087c98