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

chrome/browser/extensions/api/tabs/windows_event_router.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_EXTENSIONS_API_TABS_WINDOWS_EVENT_ROUTER_H_
 #define CHROME_BROWSER_EXTENSIONS_API_TABS_WINDOWS_EVENT_ROUTER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 17 matching lines @@
 // inside extension process renderers. The router listens to *all* events,
 // but will only route eventes within a profile to extension processes in the
 // same profile.
 class WindowsEventRouter : public WindowControllerListObserver,
 #if defined(TOOLKIT_VIEWS)
                           public views::WidgetFocusChangeListener,
 #endif
                           public content::NotificationObserver {
  public:
   explicit WindowsEventRouter(Profile* profile);
-  virtual ~WindowsEventRouter();
+  ~WindowsEventRouter() override;
 
   // WindowControllerListObserver methods:
-  virtual void OnWindowControllerAdded(
-      WindowController* window_controller) override;
-  virtual void OnWindowControllerRemoved(
-      WindowController* window) override;
+  void OnWindowControllerAdded(WindowController* window_controller) override;
+  void OnWindowControllerRemoved(WindowController* window) override;
 
 #if defined(TOOLKIT_VIEWS)
   virtual void OnNativeFocusChange(gfx::NativeView focused_before,
                                    gfx::NativeView focused_now) override;
 #endif
 
   // content::NotificationObserver.
-  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;
 
   // |window_controller| is NULL to indicate a focused window has lost focus.
   void OnActiveWindowChanged(WindowController* window_controller);
 
  private:
   void DispatchEvent(const std::string& event_name,
                      Profile* profile,
                      scoped_ptr<base::ListValue> args);
 
   content::NotificationRegistrar registrar_;
 
   // The main profile that owns this event router.
   Profile* profile_;
 
   // The profile the currently focused window belongs to; either the main or
   // incognito profile or NULL (none of the above). We remember this in order
   // to correctly handle focus changes between non-OTR and OTR windows.
   Profile* focused_profile_;
 
   // The currently focused window. We keep this so as to avoid sending multiple
   // windows.onFocusChanged events with the same windowId.
   int focused_window_id_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowsEventRouter);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_TABS_WINDOWS_EVENT_ROUTER_H_