Add use_threaded_compositing as gypi variable and bind to WTF_USE_THREADED_COMPOSITING. Defaults off.
Add use_threaded_compositing as gypi variable and bind to WTF_USE_THREADED_COMPOSITING. Defaults off.

BUG=
TEST=

Review URL: http://codereview.chromium.org/6609046

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@77388 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser