views: Move more layout constants to the views namespace. Part 3.

The other constants will be moved in future patches.

BUG=None
TEST=trybots

Review URL: http://codereview.chromium.org/6480016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@74522 0039d316-1c4b-4281-b951-d872f2087c98
53 files changed