Add OVERRIDE to chrome/browser/.

chrome/browser/ui/toolbar/back_forward_menu_model.h

Index: chrome/browser/ui/toolbar/back_forward_menu_model.h
diff --git a/chrome/browser/ui/toolbar/back_forward_menu_model.h b/chrome/browser/ui/toolbar/back_forward_menu_model.h
index 7ff99bcb10f522c5ea46c8dc0d3feeb7b26ea18b..ef8d9fb92de6e3623b1fce0a4460f253d668931e 100644
--- a/chrome/browser/ui/toolbar/back_forward_menu_model.h
+++ b/chrome/browser/ui/toolbar/back_forward_menu_model.h
@@ -41,34 +41,36 @@ class BackForwardMenuModel : public ui::MenuModel {
   virtual ~BackForwardMenuModel();
 
   // MenuModel implementation.
-  virtual bool HasIcons() const;
+  virtual bool HasIcons() const OVERRIDE;
   // Returns how many items the menu should show, including history items,
   // chapter-stops, separators and the Show Full History link. This function
   // uses GetHistoryItemCount() and GetChapterStopCount() internally to figure
   // out the total number of items to show.
-  virtual int GetItemCount() const;
-  virtual ItemType GetTypeAt(int index) const;
-  virtual int GetCommandIdAt(int index) const;
-  virtual string16 GetLabelAt(int index) const;
-  virtual bool IsItemDynamicAt(int index) const;
+  virtual int GetItemCount() const OVERRIDE;
+  virtual ItemType GetTypeAt(int index) const OVERRIDE;
+  virtual int GetCommandIdAt(int index) const OVERRIDE;
+  virtual string16 GetLabelAt(int index) const OVERRIDE;
+  virtual bool IsItemDynamicAt(int index) const OVERRIDE;
   virtual bool GetAcceleratorAt(int index,
-                                ui::Accelerator* accelerator) const;
-  virtual bool IsItemCheckedAt(int index) const;
-  virtual int GetGroupIdAt(int index) const;
-  virtual bool GetIconAt(int index, SkBitmap* icon);
-  virtual ui::ButtonMenuItemModel* GetButtonMenuItemAt(int index) const;
-  virtual bool IsEnabledAt(int index) const;
-  virtual MenuModel* GetSubmenuModelAt(int index) const;
-  virtual void HighlightChangedTo(int index);
+                                ui::Accelerator* accelerator) const OVERRIDE;
+  virtual bool IsItemCheckedAt(int index) const OVERRIDE;
+  virtual int GetGroupIdAt(int index) const OVERRIDE;
+  virtual bool GetIconAt(int index, SkBitmap* icon) OVERRIDE;
+  virtual ui::ButtonMenuItemModel* GetButtonMenuItemAt(
+      int index) const OVERRIDE;
+  virtual bool IsEnabledAt(int index) const OVERRIDE;
+  virtual MenuModel* GetSubmenuModelAt(int index) const OVERRIDE;
+  virtual void HighlightChangedTo(int index) OVERRIDE;
   virtual void ActivatedAt(int index) OVERRIDE;
   virtual void ActivatedAt(int index, int event_flags) OVERRIDE;
-  virtual void MenuWillShow();
+  virtual void MenuWillShow() OVERRIDE;
 
   // Is the item at |index| a separator?
   bool IsSeparator(int index) const;
 
   // Set the delegate for triggering OnIconChanged.
-  virtual void SetMenuModelDelegate(ui::MenuModelDelegate* menu_model_delegate);
+  virtual void SetMenuModelDelegate(
+      ui::MenuModelDelegate* menu_model_delegate) OVERRIDE;
 
  protected:
    ui::MenuModelDelegate* menu_model_delegate() { return menu_model_delegate_; }