Back out r28284 (backout of r28260), it did not cause the perf regression.
Back out r28284 (backout of r28260), it did not cause the perf regression.

BUG=23517 24118
TEST=none
Review URL: http://codereview.chromium.org/269009

git-svn-id: http://src.chromium.org/svn/trunk/src@28287 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 39135741d162bce0e5221d088bae6e32f2ce6b9a
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