GitLab

Make the TopContainerView always fully overlap the window header because we use the TopContainerView bounds in computing the find bar's position

BUG=341636
TEST=BrowserViewHostedAppTest.Layout

Review URL: https://codereview.chromium.org/160093006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@251422 0039d316-1c4b-4281-b951-d872f2087c98