replace OVERRIDE and FINAL with override and final in chrome/browser/[r-z]*

chrome/browser/signin/signin_error_notifier_ash.cc

Index: chrome/browser/signin/signin_error_notifier_ash.cc
diff --git a/chrome/browser/signin/signin_error_notifier_ash.cc b/chrome/browser/signin/signin_error_notifier_ash.cc
index c4fa9e595a384e1bf51a021b4f615bbe61556957..155b824e6ab77ffb97a246c719c01c9dd3a3e580 100644
--- a/chrome/browser/signin/signin_error_notifier_ash.cc
+++ b/chrome/browser/signin/signin_error_notifier_ash.cc
@@ -50,14 +50,14 @@ class SigninNotificationDelegate : public NotificationDelegate {
                              Profile* profile);
 
   // NotificationDelegate:
-  virtual void Display() OVERRIDE;
-  virtual void Error() OVERRIDE;
-  virtual void Close(bool by_user) OVERRIDE;
-  virtual bool HasClickedListener() OVERRIDE;
-  virtual void Click() OVERRIDE;
-  virtual void ButtonClick(int button_index) OVERRIDE;
-  virtual std::string id() const OVERRIDE;
-  virtual content::WebContents* GetWebContents() const OVERRIDE;
+  virtual void Display() override;
+  virtual void Error() override;
+  virtual void Close(bool by_user) override;
+  virtual bool HasClickedListener() override;
+  virtual void Click() override;
+  virtual void ButtonClick(int button_index) override;
+  virtual std::string id() const override;
+  virtual content::WebContents* GetWebContents() const override;
 
  protected:
   virtual ~SigninNotificationDelegate();