Manage all the testing classes for Blacklist in TestBlacklist.

BUG=267514

Review URL: https://codereview.chromium.org/119963004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244178 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 244178
Updating trunk VERSION from 1779.0 to 1780.0

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244180 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 244180