Move ui::gfx::Image out of the ui namespace to be just gfx::Image.

Having namespaces ui::gfx and just gfx are causing compiler disambiguation
problems. This will resolve that.

BUG=carnitas
TEST=compiles and gfx_unittests

Review URL: http://codereview.chromium.org/6533013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@75283 0039d316-1c4b-4281-b951-d872f2087c98
7 files changed