GitLab

The pyauto tests for the file manager are no longer maintained.
Besides, the file manager is now tested with browser tests.

BUG=289294
TEST=none

Review URL: https://chromiumcodereview.appspot.com/23834007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@223545 0039d316-1c4b-4281-b951-d872f2087c98