Standardize usage of virtual/override/final specifiers.

ui/views/controls/message_box_view.h

 // 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.
 
 #ifndef UI_VIEWS_CONTROLS_MESSAGE_BOX_VIEW_H_
 #define UI_VIEWS_CONTROLS_MESSAGE_BOX_VIEW_H_
 
 #include <vector>
 
 #include "base/strings/string16.h"
@@ skipping 31 matching lines @@
 
     uint16 options;
     base::string16 message;
     base::string16 default_prompt;
     int message_width;
     int inter_row_vertical_spacing;
   };
 
   explicit MessageBoxView(const InitParams& params);
 
-  virtual ~MessageBoxView();
+  ~MessageBoxView() override;
 
   // Returns the text box.
   views::Textfield* text_box() { return prompt_field_; }
 
   // Returns user entered data in the prompt field.
   base::string16 GetInputText();
 
   // Returns true if a checkbox is selected, false otherwise. (And false if
   // the message box has no checkbox.)
   bool IsCheckBoxSelected();
 
   // Adds a checkbox with the specified label to the message box if this is the
   // first call. Otherwise, it changes the label of the current checkbox. To
   // start, the message box has no checkbox until this function is called.
   void SetCheckBoxLabel(const base::string16& label);
 
   // Sets the state of the check-box.
   void SetCheckBoxSelected(bool selected);
 
   // Sets the text and the listener of the link. If |text| is empty, the link
   // is removed.
   void SetLink(const base::string16& text, LinkListener* listener);
 
   // View:
-  virtual void GetAccessibleState(ui::AXViewState* state) override;
+  void GetAccessibleState(ui::AXViewState* state) override;
 
  protected:
   // View:
-  virtual void ViewHierarchyChanged(
+  void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) override;
   // Handles Ctrl-C and writes the message in the system clipboard.
-  virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
+  bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
 
  private:
   // Sets up the layout manager and initializes the message labels and prompt
   // field. This should only be called once, from the constructor.
   void Init(const InitParams& params);
 
   // Sets up the layout manager based on currently initialized views. Should be
   // called when a view is initialized or changed.
   void ResetLayoutManager();
 
@@ skipping 14 matching lines @@
 
   // Spacing between rows in the grid layout.
   int inter_row_vertical_spacing_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageBoxView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_MESSAGE_BOX_VIEW_H_