[DevTools] Track URL through the target

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
  * @param {string} name
  * @param {number} capabilitiesMask
  * @param {!InspectorBackendClass.Connection} connection
  * @param {?WebInspector.Target} parentTarget
  */
 WebInspector.Target = function(targetManager, name, capabilitiesMask, connection, parentTarget)
 {
     Protocol.Agents.call(this, connection.agentsMap());
     this._targetManager = targetManager;
     this._name = name;
+    this._inspectedURL = "";
     this._capabilitiesMask = capabilitiesMask;
     this._connection = connection;
     this._parentTarget = parentTarget;
     connection.addEventListener(InspectorBackendClass.Connection.Events.Disconnected, this._onDisconnect, this);
     this._id = WebInspector.Target._nextId++;
 
     /** @type {!Map.<!Function, !WebInspector.SDKModel>} */
     this._modelByConstructor = new Map();
 }
 
@@ skipping 151 matching lines @@
     },
 
     /**
      * @return {!Array<!WebInspector.SDKModel>}
      */
     models: function()
     {
         return this._modelByConstructor.valuesArray();
     },
 
+    /**
+     * @return {string}
+     */
+    inspectedURL: function()
+    {
+        return this._inspectedURL;
+    },
+
+    /**
+     * @param {string} inspectedURL
+     */
+    setInspectedURL: function(inspectedURL)
+    {
+        this._inspectedURL = inspectedURL;
+        InspectorFrontendHost.inspectedURLChanged(inspectedURL || "");
+        this._targetManager.dispatchEventToListeners(WebInspector.TargetManager.Events.InspectedURLChanged, this);
+    },
+
     __proto__: Protocol.Agents.prototype
 }
 
 /**
  * @constructor
  * @extends {WebInspector.Object}
  * @param {!WebInspector.Target} target
  */
 WebInspector.SDKObject = function(target)
 {
@@ skipping 52 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
 }