DevTools: Implementation for the API introduced upstream. To be landed once API is rolled.
DevTools: Implementation for the API introduced upstream. To be landed once API is rolled.

Review URL: http://codereview.chromium.org/342037

git-svn-id: http://src.chromium.org/svn/trunk/src@30570 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 20e9da2b8f8bc9aecac3952f9abbf02562d49681
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