This is the final step to turn on the experimental webkit media statistics support.
This is the final step to turn on the experimental webkit media statistics support.

BUG=71255
TEST=media_unittests media layout tests

Review URL: http://codereview.chromium.org/6613023

git-svn-id: http://src.chromium.org/svn/trunk/src@76924 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: eb6f10a96dd938f866432effa6cf0e7c7af33bff
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