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

chrome/browser/ui/cocoa/screen_capture_notification_ui_cocoa.h

Index: chrome/browser/ui/cocoa/screen_capture_notification_ui_cocoa.h
diff --git a/chrome/browser/ui/cocoa/screen_capture_notification_ui_cocoa.h b/chrome/browser/ui/cocoa/screen_capture_notification_ui_cocoa.h
index c2286d281ef370a8375bbf2dc492d4b6ccadb723..88f2fd64e9e35cf8b3b686f3073662b87f09435c 100644
--- a/chrome/browser/ui/cocoa/screen_capture_notification_ui_cocoa.h
+++ b/chrome/browser/ui/cocoa/screen_capture_notification_ui_cocoa.h
@@ -32,11 +32,10 @@
 class ScreenCaptureNotificationUICocoa : public ScreenCaptureNotificationUI {
  public:
   explicit ScreenCaptureNotificationUICocoa(const base::string16& text);
-  virtual ~ScreenCaptureNotificationUICocoa();
+  ~ScreenCaptureNotificationUICocoa() override;
 
   // ScreenCaptureNotificationUI interface.
-  virtual gfx::NativeViewId OnStarted(const base::Closure& stop_callback)
-      override;
+  gfx::NativeViewId OnStarted(const base::Closure& stop_callback) override;
 
  private:
   friend class ScreenCaptureNotificationUICocoaTest;