Standardize usage of virtual/override/final in ui/

ui/base/ime/input_method_mac.h

Index: ui/base/ime/input_method_mac.h
diff --git a/ui/base/ime/input_method_mac.h b/ui/base/ime/input_method_mac.h
index 95d3cee23829f1620d618002b68b7e1eae25ae84..d910fa1961255b1aea62b2ad0bec583038742189 100644
--- a/ui/base/ime/input_method_mac.h
+++ b/ui/base/ime/input_method_mac.h
@@ -16,18 +16,18 @@ namespace ui {
 class UI_BASE_EXPORT InputMethodMac : public InputMethodBase {
  public:
   explicit InputMethodMac(internal::InputMethodDelegate* delegate);
-  virtual ~InputMethodMac();
+  ~InputMethodMac() override;
 
   // Overriden from InputMethod.
-  virtual bool OnUntranslatedIMEMessage(const base::NativeEvent& event,
-                                        NativeEventResult* result) override;
-  virtual bool DispatchKeyEvent(const ui::KeyEvent& event) override;
-  virtual void OnCaretBoundsChanged(const TextInputClient* client) override;
-  virtual void CancelComposition(const TextInputClient* client) override;
-  virtual void OnInputLocaleChanged() override;
-  virtual std::string GetInputLocale() override;
-  virtual bool IsActive() override;
-  virtual bool IsCandidatePopupOpen() const override;
+  bool OnUntranslatedIMEMessage(const base::NativeEvent& event,
+                                NativeEventResult* result) override;
+  bool DispatchKeyEvent(const ui::KeyEvent& event) override;
+  void OnCaretBoundsChanged(const TextInputClient* client) override;
+  void CancelComposition(const TextInputClient* client) override;
+  void OnInputLocaleChanged() override;
+  std::string GetInputLocale() override;
+  bool IsActive() override;
+  bool IsCandidatePopupOpen() const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InputMethodMac);