Standardize usage of virtual/override/final in chrome/browser/ui/

chrome/browser/ui/content_settings/content_setting_image_model_unittest.cc

 // 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.
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 12 matching lines @@
 // Forward all NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED to the specified
 // ContentSettingImageModel.
 class NotificationForwarder : public content::NotificationObserver {
  public:
   explicit NotificationForwarder(ContentSettingImageModel* model)
       : model_(model) {
     registrar_.Add(this,
                    chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED,
                    content::NotificationService::AllSources());
   }
-  virtual ~NotificationForwarder() {}
+  ~NotificationForwarder() override {}
 
   void clear() {
     registrar_.RemoveAll();
   }
 
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) override {
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override {
     if (type == chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED) {
       model_->UpdateFromWebContents(
           content::Source<content::WebContents>(source).ptr());
     }
   }
 
  private:
   content::NotificationRegistrar registrar_;
   ContentSettingImageModel* model_;
 
@@ skipping 69 matching lines @@
   scoped_ptr<ContentSettingImageModel> content_setting_image_model(
      ContentSettingImageModel::CreateContentSettingImageModel(
          CONTENT_SETTINGS_TYPE_IMAGES));
   NotificationForwarder forwarder(content_setting_image_model.get());
   // Should not crash.
   TabSpecificContentSettings::CreateForWebContents(web_contents());
   forwarder.clear();
 }
 
 }  // namespace