GitLab

This prevents the Disconnect dialog from becoming hidden by the Windows task bar, or falling off-screen when the display resolution is made smaller.

BUG=129907,129835


Review URL: https://chromiumcodereview.appspot.com/10825251

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@151313 0039d316-1c4b-4281-b951-d872f2087c98