WebKit merge 73212:73239.
WebKit merge 73212:73239.

TBR=victorw
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/5568003

git-svn-id: http://src.chromium.org/svn/trunk/src@68155 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 3900e6e958d761242ac1c89a584c837cf1ec5bdc
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