Standardize usage of virtual/override/final specifiers in components/.

components/infobars/core/infobar_container.h

 // Copyright 2014 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.
 
 #ifndef COMPONENTS_INFOBARS_CORE_INFOBAR_CONTAINER_H_
 #define COMPONENTS_INFOBARS_CORE_INFOBAR_CONTAINER_H_
 
 #include <vector>
 
 #include "base/compiler_specific.h"
@@ skipping 47 matching lines @@
         int bar_target_height,
         int* arrow_height,
         int* arrow_half_width,
         int* bar_height) const = 0;
 
    protected:
     virtual ~Delegate();
   };
 
   explicit InfoBarContainer(Delegate* delegate);
-  virtual ~InfoBarContainer();
+  ~InfoBarContainer() override;
 
   // Changes the InfoBarManager for which this container is showing infobars.
   // This will hide all current infobars, remove them from the container, add
   // the infobars from |infobar_manager|, and show them all.  |infobar_manager|
   // may be NULL.
   void ChangeInfoBarManager(InfoBarManager* infobar_manager);
 
   // Returns the amount by which to overlap the toolbar above, and, when
   // |total_height| is non-NULL, set it to the height of the InfoBarContainer
   // (including overlap).
@@ skipping 60 matching lines @@
   // functionality in OnInfoBarStateChanged() once, to minimize unnecessary
   // layout and painting.
   bool ignore_infobar_state_changed_;
 
   DISALLOW_COPY_AND_ASSIGN(InfoBarContainer);
 };
 
 }  // namespace infobars
 
 #endif  // COMPONENTS_INFOBARS_CORE_INFOBAR_CONTAINER_H_