GitLab

Changed ConfigureDataTypes to take a set of types to add and a set of types to remove.

Changed Activate/DeactivateDataType to take ModelTypes instead of
the DataTypeControllers directly.

BUG=
TEST=


Review URL: http://codereview.chromium.org/7511004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@96326 0039d316-1c4b-4281-b951-d872f2087c98