DevTools: Add sendOverProtocol() method for protocol debugging

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.Agents}
  * @param {!WebInspector.TargetManager} targetManager
@@ skipping 58 matching lines @@
     /**
      *
      * @return {!WebInspector.TargetManager}
      */
     targetManager: function()
     {
         return this._targetManager;
     },
 
     /**
+     *
+     * @return {!InspectorBackendClass.Connection}
+     */
+    connection: function()
+    {
+        return this._connection;
+    },
+
+    /**
      * @param {string} label
      * @return {string}
      */
     decorateLabel: function(label)
     {
         return this.isWorker() ? "\u2699 " + label : label;
     },
 
     /**
      * @override
@@ skipping 172 matching lines @@
     {
         var target = /** @type {!WebInspector.Target} */ (event.data);
         if (target !== this._target)
             return;
         this.dispose();
         WebInspector.targetManager.removeEventListener(WebInspector.TargetManager.Events.TargetDisposed, this._targetDisposed, this);
     },
 
     __proto__: WebInspector.SDKObject.prototype
 }