GPU process does not rely on GTK.
GPU process does not rely on GTK.

AFAIK, the GPU process does not rely on GTK. This patch eliminates the initialization of GTK.

BUG=none
TEST=try bots and by hand on Linux with 3D CSS and WebGL content

Review URL: http://codereview.chromium.org/6596074

git-svn-id: http://src.chromium.org/svn/trunk/src@77460 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: aa45f57ad41d0dacc662fc5b683e9d38e568314c
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser