DevTools: introduce multitarget model listeners

Source/devtools/front_end/sdk/ResourceTreeModel.js

Index: Source/devtools/front_end/sdk/ResourceTreeModel.js
diff --git a/Source/devtools/front_end/sdk/ResourceTreeModel.js b/Source/devtools/front_end/sdk/ResourceTreeModel.js
index 44b6d0c9e6c5b4b8df43a7444350971fce2166f2..8a381691a37a294c3725cd88c7651456a7bc0b3f 100644
--- a/Source/devtools/front_end/sdk/ResourceTreeModel.js
+++ b/Source/devtools/front_end/sdk/ResourceTreeModel.js
@@ -30,12 +30,12 @@
 
 /**
  * @constructor
- * @extends {WebInspector.SDKObject}
+ * @extends {WebInspector.SDKModel}
  * @param {!WebInspector.Target} target
  */
 WebInspector.ResourceTreeModel = function(target)
 {
-    WebInspector.SDKObject.call(this, target);
+    WebInspector.SDKModel.call(this, WebInspector.ResourceTreeModel, target);
 
     target.networkManager.addEventListener(WebInspector.NetworkManager.EventTypes.RequestFinished, this._onRequestFinished, this);
     target.networkManager.addEventListener(WebInspector.NetworkManager.EventTypes.RequestUpdateDropped, this._onRequestUpdateDropped, this);
@@ -472,7 +472,7 @@ WebInspector.ResourceTreeModel.prototype = {
         this._agent.reload(ignoreCache, scriptToEvaluateOnLoad, scriptPreprocessor);
     },
 
-    __proto__: WebInspector.SDKObject.prototype
+    __proto__: WebInspector.SDKModel.prototype
 }
 
 /**