WebKit roll 79731 to 79757
WebKit roll 79731 to 79757

TBR=antonm

Review URL: http://codereview.chromium.org/6594030

git-svn-id: http://src.chromium.org/svn/trunk/src@76152 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 537db871d3216e20aabab3454a2dc7f2515195ad
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