GitLab

All browser tests of File.app were disabled unintentionally by crrev.com/444223003
This CL enables those tests and disables OpenVideoFile and OpenAudioFile individually.

BUG=400892
TEST=run browser_tests

Review URL: https://codereview.chromium.org/445933006

Cr-Commit-Position: refs/heads/master@{#288316}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@288316 0039d316-1c4b-4281-b951-d872f2087c98