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

chrome/browser/ui/webui/app_list/start_page_handler.h

 // Copyright 2013 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_APP_LIST_START_PAGE_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_APP_LIST_START_PAGE_HANDLER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/prefs/pref_change_registrar.h"
@@ skipping 13 matching lines @@
 namespace app_list {
 
 class RecommendedApps;
 
 // Handler for the app launcher start page.
 class StartPageHandler : public content::WebUIMessageHandler,
                          public extensions::ExtensionRegistryObserver,
                          public RecommendedAppsObserver {
  public:
   StartPageHandler();
-  virtual ~StartPageHandler();
+  ~StartPageHandler() override;
 
  private:
   // content::WebUIMessageHandler overrides:
-  virtual void RegisterMessages() override;
+  void RegisterMessages() override;
 
   // extensions::ExtensionRegistryObserver implementation.
-  virtual void OnExtensionLoaded(
-      content::BrowserContext* browser_context,
-      const extensions::Extension* extension) override;
-  virtual void OnExtensionUnloaded(
+  void OnExtensionLoaded(content::BrowserContext* browser_context,
+                         const extensions::Extension* extension) override;
+  void OnExtensionUnloaded(
       content::BrowserContext* browser_context,
       const extensions::Extension* extension,
       extensions::UnloadedExtensionInfo::Reason reason) override;
 
   // RecommendedAppsObserver overrdies:
-  virtual void OnRecommendedAppsChanged() override;
+  void OnRecommendedAppsChanged() override;
 
   // Creates a ListValue for the recommended apps and sends it to js side.
   void SendRecommendedApps();
 
 #if defined(OS_CHROMEOS)
   // Called when the pref has been changed.
   void OnHotwordEnabledChanged();
 #endif
 
   // JS callbacks.
   void HandleInitialize(const base::ListValue* args);
   void HandleLaunchApp(const base::ListValue* args);
   void HandleSpeechResult(const base::ListValue* args);
   void HandleSpeechSoundLevel(const base::ListValue* args);
   void HandleSpeechRecognition(const base::ListValue* args);
 
   RecommendedApps* recommended_apps_;  // Not owned.
   PrefChangeRegistrar pref_change_registrar_;
 
   ScopedObserver<extensions::ExtensionRegistry,
                  extensions::ExtensionRegistryObserver>
       extension_registry_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(StartPageHandler);
 };
 
 }  // namespace app_list
 
 #endif  // CHROME_BROWSER_UI_WEBUI_APP_LIST_START_PAGE_HANDLER_H_