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

chrome/browser/ui/cocoa/keystone_infobar_delegate.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/cocoa/keystone_infobar_delegate.h"
 
 #import <AppKit/AppKit.h>
 
 #include <string>
 
@@ skipping 26 matching lines @@
 // KeystonePromotionInfoBarDelegate -------------------------------------------
 
 class KeystonePromotionInfoBarDelegate : public ConfirmInfoBarDelegate {
  public:
   // If there's an active tab, creates a keystone promotion delegate and adds it
   // to the InfoBarService associated with that tab.
   static void Create();
 
  private:
   explicit KeystonePromotionInfoBarDelegate(PrefService* prefs);
-  virtual ~KeystonePromotionInfoBarDelegate();
+  ~KeystonePromotionInfoBarDelegate() override;
 
   // Sets this info bar to be able to expire.  Called a predetermined amount
   // of time after this object is created.
   void SetCanExpire() { can_expire_ = true; }
 
   // ConfirmInfoBarDelegate
-  virtual int GetIconID() const override;
-  virtual base::string16 GetMessageText() const override;
-  virtual base::string16 GetButtonLabel(InfoBarButton button) const override;
-  virtual bool Accept() override;
-  virtual bool Cancel() override;
-  virtual bool ShouldExpireInternal(
-      const NavigationDetails& details) const override;
+  int GetIconID() const override;
+  base::string16 GetMessageText() const override;
+  base::string16 GetButtonLabel(InfoBarButton button) const override;
+  bool Accept() override;
+  bool Cancel() override;
+  bool ShouldExpireInternal(const NavigationDetails& details) const override;
 
   // The prefs to use.
   PrefService* prefs_;  // weak
 
   // Whether the info bar should be dismissed on the next navigation.
   bool can_expire_;
 
   // Used to delay the expiration of the info bar.
   base::WeakPtrFactory<KeystonePromotionInfoBarDelegate> weak_ptr_factory_;
 
@@ skipping 147 matching lines @@
 
 @end  // @implementation KeystonePromotionInfoBar
 
 // static
 void KeystoneInfoBar::PromotionInfoBar(Profile* profile) {
   KeystonePromotionInfoBar* promotionInfoBar =
       [[[KeystonePromotionInfoBar alloc] init] autorelease];
 
   [promotionInfoBar checkAndShowInfoBarForProfile:profile];
 }