Nothing is ever added to hosts_to_delete_, so this code does nothing useful.

BUG=None
TEST=unit_tests --gtest_filer=TemplateURL*.*

Review URL: http://codereview.chromium.org/3161038

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@57062 0039d316-1c4b-4281-b951-d872f2087c98