Move mocks and unittest JS files to sit alongside production code.

remoting/webapp/crd/js/xmpp_connection_unittest.js

 // Copyright 2014 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.
 
 (function() {
 
 'use strict';
 
 var testUsername = 'testUsername@gmail.com';
 var testToken = 'testToken';
@@ skipping 83 matching lines @@
 
   // Simulate read() callback with |data|. It should be passed to the parser.
   var data = base.encodeUtf8('<iq id="1">hello</iq>');
   sinon.assert.calledWith(chrome.socket.read, socketId);
   var appendDataCalled = parserMock.expects('appendData').once().withArgs(data);
   $testStub(chrome.socket.read).getCall(0).args[1]({resultCode: 0, data: data});
   appendDataCalled.verify();
 });
 
 })();