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

chrome/browser/ui/cocoa/location_bar/zoom_decoration.h

Index: chrome/browser/ui/cocoa/location_bar/zoom_decoration.h
diff --git a/chrome/browser/ui/cocoa/location_bar/zoom_decoration.h b/chrome/browser/ui/cocoa/location_bar/zoom_decoration.h
index 7faa47e638de3a137083dd39b62eb6dd92259cae..a856a2f2704c55f1cc584894521dd3c9d1927491 100644
--- a/chrome/browser/ui/cocoa/location_bar/zoom_decoration.h
+++ b/chrome/browser/ui/cocoa/location_bar/zoom_decoration.h
@@ -22,7 +22,7 @@ class ZoomDecoration : public ImageDecoration,
                        public ZoomBubbleControllerDelegate {
  public:
   explicit ZoomDecoration(LocationBarViewMac* owner);
-  virtual ~ZoomDecoration();
+  ~ZoomDecoration() override;
 
   // Called when this decoration should show or hide itself in its most current
   // state. Returns whether any updates were made.
@@ -54,14 +54,14 @@ class ZoomDecoration : public ImageDecoration,
   virtual bool ShouldShowDecoration() const;
 
   // LocationBarDecoration implementation.
-  virtual bool AcceptsMousePress() override;
-  virtual bool OnMousePressed(NSRect frame, NSPoint location) override;
-  virtual NSString* GetToolTip() override;
-  virtual NSPoint GetBubblePointInFrame(NSRect frame) override;
+  bool AcceptsMousePress() override;
+  bool OnMousePressed(NSRect frame, NSPoint location) override;
+  NSString* GetToolTip() override;
+  NSPoint GetBubblePointInFrame(NSRect frame) override;
 
   // ZoomBubbleControllerDelegate implementation.
-  virtual content::WebContents* GetWebContents() override;
-  virtual void OnClose() override;
+  content::WebContents* GetWebContents() override;
+  void OnClose() override;
 
   // The control that owns this. Weak.
   LocationBarViewMac* owner_;