Pull the latest libcros.
Pull the latest libcros.

BUG=chromium-os:13106
TEST=try

Review URL: http://codereview.chromium.org/6694016

git-svn-id: http://src.chromium.org/svn/trunk/src@78168 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 05fbb34ff669aef3dcdd2375bb8d3d730a1cdc50
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