GitLab

Now that http://crbug.com/115123 is fixed, we can remove the views implementation, and
along the way we can remove the ShowAboutChromeDialog function from BrowseWindow
and the platform-specific overridden functions.

BUG=138724
R=pkasting@chromium.org
TBR=sky@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10800096

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@148474 0039d316-1c4b-4281-b951-d872f2087c98