Use codereview.chromium.org instead of chromiumcodereview.appspot.com in extensions doc script.

BUG=273810
R=kalman@chromium.org, kalman

Review URL: https://codereview.chromium.org/24980005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225762 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 225762
When moving between rows of the window selection, use a newline animation described in the bug.

BUG=276511
TEST=With overview mode enabled, create four or more windows and alt+tab past the end of the first row. Observe the selection fade out and in to the new row.
R=sky@chromium.org

Review URL: https://codereview.chromium.org/24497005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225763 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 225763