Reverting histogram name change.
Reverting histogram name change.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/5589002

git-svn-id: http://src.chromium.org/svn/trunk/src@68084 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: b5736e4805418ad4939b1c58585dab55d75fec78
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