Pull in latest file from Mozilla.
Pull in latest file from Mozilla.

BUG=b/1305245
TEST=none
Review URL: http://codereview.chromium.org/8132

git-svn-id: http://src.chromium.org/svn/trunk/src@3887 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: c4f65b666ea4629900bec1dae5ae4e0b2b863a2e
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