Add a presubmit check that catches |const NSString*| and friends.
Add a presubmit check that catches |const NSString*| and friends.

BUG=TEST=none

Review URL: http://codereview.chromium.org/3082016

git-svn-id: http://src.chromium.org/svn/trunk/src@54925 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: b230e0e1e99819a0011f4f5b9801195b271614af
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