Don't access members after invoking callback.


R=benwells@chromium.org
BUG=178487


Review URL: https://chromiumcodereview.appspot.com/12378018

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@185412 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed