GitLab

 Moved EnsurePointerInDisplays to DisplayController as it needs to access RootWindow.


BUG=226300
TEST=covered by test.

Review URL: https://chromiumcodereview.appspot.com/13466022

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@193008 0039d316-1c4b-4281-b951-d872f2087c98