[Chromoting] Move shared webapp JS files from crd/js -> base/js

remoting/webapp/base/js/dns_blackhole_checker_unittest.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview
  * TODO(garykac): Create interface for SignalStrategy.
  * @suppress {checkTypes|checkVars|reportUnknownTypes|visibility}
  */
 
@@ skipping 177 matching lines @@
       });
     }).then(function() {
       sinon.assert.calledWith(onStateChange,
                               remoting.SignalStrategy.State.FAILED);
     assert.ok(checker.getError().hasTag(remoting.Error.Tag.NOT_AUTHORIZED));
     });
   }
 );
 
 })();