Add registered shell extensions to enumerated module list on about:conflicts.

BUG=51105
TEST=None

Review URL: http://codereview.chromium.org/5092007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@66756 0039d316-1c4b-4281-b951-d872f2087c98
3 files changed