GitLab

TopSitesTest was renamed to TopSitesImplTest in crrev.com/197127,
hence references to TopSitesTest no longer make sense.

BUG=180467
TEST=none

Review URL: https://chromiumcodereview.appspot.com/15823002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@202014 0039d316-1c4b-4281-b951-d872f2087c98