Prevent unauthorized commits of the Chrome Web Store URL.
Second line of defense, in case renderer process is exploited.

BUG=172119
TEST=none

Review URL: https://chromiumcodereview.appspot.com/15017018

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@199881 0039d316-1c4b-4281-b951-d872f2087c98
7 files changed