Convert ExtensionSettingsHandler to use the new navigation callbacks.

chrome/browser/ui/webui/extensions/extension_settings_handler.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_EXTENSIONS_EXTENSION_SETTINGS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_EXTENSIONS_EXTENSION_SETTINGS_HANDLER_H_
 
 #include "base/macros.h"
 #include "content/public/browser/reload_type.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_ui_message_handler.h"
 
 class ExtensionService;
-class GURL;
 
 namespace content {
 class WebUIDataSource;
 }
 
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 
 namespace extensions {
 
 // Extension Settings UI handler.
 class ExtensionSettingsHandler : public content::WebUIMessageHandler,
                                  public content::WebContentsObserver {
  public:
   ExtensionSettingsHandler();
   ~ExtensionSettingsHandler() override;
 
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
   // Note: This uses |web_ui()| from |WebUIMessageHandler|, so it must only be
   // called after |web_ui->AddMessageHandler(this)| has been called.
   void GetLocalizedValues(content::WebUIDataSource* source);
 
  private:
   // WebContentsObserver implementation.
-  void DidStartNavigationToPendingEntry(
-      const GURL& url,
-      content::ReloadType reload_type) override;
+  void DidStartNavigation(
+      content::NavigationHandle* navigation_handle) override;
 
   // WebUIMessageHandler implementation.
   void RegisterMessages() override;
 
   // Helper method that reloads all unpacked extensions.
   void ReloadUnpackedExtensions();
 
   // Our model.  Outlives us since it's owned by our containing profile.
   ExtensionService* extension_service_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionSettingsHandler);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_UI_WEBUI_EXTENSIONS_EXTENSION_SETTINGS_HANDLER_H_