[DevTools] Refactor connection-related classes.

third_party/WebKit/Source/devtools/front_end/Tests.js

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 590 matching lines @@
 
 TestSuite.prototype.testPauseInSharedWorkerInitialization1 = function()
 {
     // Make sure the worker is loaded.
     this.takeControl();
     this._waitForTargets(2, callback.bind(this));
 
     function callback()
     {
         var target = WebInspector.targetManager.targets(WebInspector.Target.Capability.JS)[0];
-        target._connection.deprecatedRunAfterPendingDispatches(this.releaseControl.bind(this));
+        InspectorBackendClass.deprecatedRunAfterPendingDispatches(this.releaseControl.bind(this));
     }
 };
 
 TestSuite.prototype.testPauseInSharedWorkerInitialization2 = function()
 {
     this.takeControl();
     this._waitForTargets(2, callback.bind(this));
 
     function callback()
     {
@@ skipping 591 matching lines @@
 /**
  * Key event with given key identifier.
  */
 TestSuite.createKeyEvent = function(key)
 {
     return new KeyboardEvent("keydown", {bubbles: true, cancelable:true, key: key});
 };
 
 window.uiTests = new TestSuite(window.domAutomationController);
 })(window);