GitLab

This patch fixes the clear bugs in file_watcher.js.

BUG=288420
TEST=none

Review URL: https://chromiumcodereview.appspot.com/23523042

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@222253 0039d316-1c4b-4281-b951-d872f2087c98