Disable crashing test

BUG=121487
TBR=sky

TEST=

Review URL: https://chromiumcodereview.appspot.com/9950076

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@130276 0039d316-1c4b-4281-b951-d872f2087c98
  const base::Closure& callback() const { return callback_; }

  const base::Closure& callback() const { return callback_; }
