DevTools: introduce multitarget model listeners

Source/devtools/front_end/sdk/DOMStorage.js

Index: Source/devtools/front_end/sdk/DOMStorage.js
diff --git a/Source/devtools/front_end/sdk/DOMStorage.js b/Source/devtools/front_end/sdk/DOMStorage.js
index b7e00d42b7f8a168fd2f9c27c8cbcd02f011ad4a..9651008ad055e6d49d5b251bb59a7eec402b9f45 100644
--- a/Source/devtools/front_end/sdk/DOMStorage.js
+++ b/Source/devtools/front_end/sdk/DOMStorage.js
@@ -108,12 +108,12 @@ WebInspector.DOMStorage.prototype = {
 
 /**
  * @constructor
- * @extends {WebInspector.SDKObject}
+ * @extends {WebInspector.SDKModel}
  * @param {!WebInspector.Target} target
  */
 WebInspector.DOMStorageModel = function(target)
 {
-    WebInspector.SDKObject.call(this, target);
+    WebInspector.SDKModel.call(this, WebInspector.DOMStorageModel, target);
 
     /** @type {!Object.<string, !WebInspector.DOMStorage>} */
     this._storages = {};
@@ -257,7 +257,7 @@ WebInspector.DOMStorageModel.prototype = {
         return result;
     },
 
-    __proto__: WebInspector.SDKObject.prototype
+    __proto__: WebInspector.SDKModel.prototype
 }
 
 /**