[DevTools] Scope common protocol infrastructure under Protocol namespace in a separate module.

third_party/WebKit/Source/devtools/front_end/sdk/Target.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.
  */
 
 /**
  * @constructor
  * @extends {Protocol.Target}
  * @param {!WebInspector.TargetManager} targetManager
  * @param {string} name
  * @param {number} capabilitiesMask
- * @param {!InspectorBackendClass.Connection.Factory} connectionFactory
+ * @param {!Protocol.Connection.Factory} connectionFactory
  * @param {?WebInspector.Target} parentTarget
  */
 WebInspector.Target = function(targetManager, name, capabilitiesMask, connectionFactory, parentTarget)
 {
     Protocol.Target.call(this, connectionFactory);
     this._targetManager = targetManager;
     this._name = name;
     this._inspectedURL = "";
     this._capabilitiesMask = capabilitiesMask;
     this._parentTarget = parentTarget;
@@ skipping 245 matching lines @@
     _targetDisposed: function(event)
     {
         var target = /** @type {!WebInspector.Target} */ (event.data);
         if (target !== this._target)
             return;
         this.dispose();
     },
 
     __proto__: WebInspector.SDKObject.prototype
 };