[DevTools] Track URL through the target

third_party/WebKit/Source/devtools/front_end/extensions/ExtensionServer.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 128 matching lines @@
     /**
      * @param {string} identifier
      */
     notifyButtonClicked: function(identifier)
     {
         this._postNotification(WebInspector.extensionAPI.Events.ButtonClicked + identifier);
     },
 
     _inspectedURLChanged: function(event)
     {
+        if (event.data !== WebInspector.targetManager.mainTarget())
+            return;
         this._requests = {};
-        var url = event.data;
+        var url = event.data.inspectedURL();
         this._postNotification(WebInspector.extensionAPI.Events.InspectedURLChanged, url);
     },
 
 
     /**
      * @param {string} categoryId
      * @param {!WebInspector.ExtensionAuditCategoryResults} auditResults
      */
     startAuditRun: function(categoryId, auditResults)
     {
@@ skipping 921 matching lines @@
 /**
  * @typedef {{code: string, description: string, details: !Array.<*>}}
  */
 WebInspector.ExtensionStatus.Record;
 
 WebInspector.extensionAPI = {};
 defineCommonExtensionSymbols(WebInspector.extensionAPI);
 
 /** @type {!WebInspector.ExtensionServer} */
 WebInspector.extensionServer;