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

chrome/browser/ui/webui/uber/uber_ui.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_UBER_UBER_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_UBER_UBER_UI_H_
 
 #include <string>
 
 #include "base/memory/scoped_vector.h"
 #include "base/values.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_ui_controller.h"
 
 // The WebUI class for the uber page (chrome://chrome). It manages the UI for
 // the uber page (navigation bar and so forth) as well as WebUI objects for
 // pages that appear in the uber page.
 class UberUI : public content::WebUIController {
  public:
   explicit UberUI(content::WebUI* web_ui);
-  virtual ~UberUI();
+  ~UberUI() override;
 
   content::WebUI* GetSubpage(const std::string& page_url);
 
   // WebUIController implementation.
-  virtual bool OverrideHandleWebUIMessage(const GURL& source_url,
-                                          const std::string& message,
-                                          const base::ListValue& args) override;
+  bool OverrideHandleWebUIMessage(const GURL& source_url,
+                                  const std::string& message,
+                                  const base::ListValue& args) override;
 
   // We forward these to |sub_uis_|.
-  virtual void RenderViewCreated(
-      content::RenderViewHost* render_view_host) override;
-  virtual void RenderViewReused(
-      content::RenderViewHost* render_view_host) override;
+  void RenderViewCreated(content::RenderViewHost* render_view_host) override;
+  void RenderViewReused(content::RenderViewHost* render_view_host) override;
 
  private:
   // A map from URL origin to WebUI instance.
   typedef std::map<std::string, content::WebUI*> SubpageMap;
 
   // Creates and stores a WebUI for the given URL.
   void RegisterSubpage(const std::string& page_url,
                        const std::string& page_host);
 
   // The WebUI*s in this map are owned.
   SubpageMap sub_uis_;
 
   DISALLOW_COPY_AND_ASSIGN(UberUI);
 };
 
 class UberFrameUI : public content::NotificationObserver,
                     public content::WebUIController {
  public:
   explicit UberFrameUI(content::WebUI* web_ui);
-  virtual ~UberFrameUI();
+  ~UberFrameUI() override;
 
  private:
   // content::NotificationObserver implementation.
-  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;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(UberFrameUI);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_UBER_UBER_UI_H_