GitLab

Also moves a bunch of mask images off the theme provider alltogether, which are now shared across profiles via gfx::Image.

BUG=106060
TEST=none


Review URL: http://codereview.chromium.org/8786003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113097 0039d316-1c4b-4281-b951-d872f2087c98