Dismiss EME infobar when WebMediaPlayer is destroyed.

The EME infobar should be dismissed when it was requested
in an iframe and it is navigated away.

BUG=297891

Review URL: https://codereview.chromium.org/107413006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243458 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 243458
Do per-file OWNERS check for per-file DEPS changes.

Before this, an OWNER of the entire directory that a new DEPS rule was pointing to would be required, even when the DEPS rule specified an individual file for which there are per-file OWNERS in the OWNERS file.

BUG=290401

Review URL: https://codereview.chromium.org/116443011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243459 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 243459