Remove a couple of todo's that have been taken care of.
No code change.

BUG=none
NOTRY=True

Review URL: https://codereview.chromium.org/168503002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@251587 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 251587