GitLab

background as to what is happening. Long term the observer likely
needs a type parameter, but this is to stop the crashing.

BUG=142999
TEST=none
R=mpcomplete@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10830345

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@151835 0039d316-1c4b-4281-b951-d872f2087c98