Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/ash/accessibility/ax_tree_source_ash.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 CHROME_BROWSER_UI_ASH_ACCESSIBILITY_AX_TREE_SOURCE_ASH_H_
 #define CHROME_BROWSER_UI_ASH_ACCESSIBILITY_AX_TREE_SOURCE_ASH_H_
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/ash/accessibility/ax_root_obj_wrapper.h"
 #include "ui/accessibility/ax_tree_source.h"
 
 namespace views {
 class AXAuraObjWrapper;
 }  // namespace views
 
 // This class exposes the views hierarchy as an accessibility tree permitting
 // use with other accessibility classes.
 class AXTreeSourceAsh
     : public ui::AXTreeSource<views::AXAuraObjWrapper*> {
  public:
   AXTreeSourceAsh();
-  virtual ~AXTreeSourceAsh();
+  ~AXTreeSourceAsh() override;
 
   // A set of actions invoked on an Aura view.
   void DoDefault(int32 id);
   void Focus(int32 id);
   void MakeVisible(int32 id);
   void SetSelection(int32 id, int32 start, int32 end);
 
   // AXTreeSource implementation.
-  virtual views::AXAuraObjWrapper* GetRoot() const override;
-  virtual views::AXAuraObjWrapper* GetFromId(int32 id) const override;
-  virtual int32 GetId(views::AXAuraObjWrapper* node) const override;
-  virtual void GetChildren(views::AXAuraObjWrapper* node,
+  views::AXAuraObjWrapper* GetRoot() const override;
+  views::AXAuraObjWrapper* GetFromId(int32 id) const override;
+  int32 GetId(views::AXAuraObjWrapper* node) const override;
+  void GetChildren(
+      views::AXAuraObjWrapper* node,
       std::vector<views::AXAuraObjWrapper*>* out_children) const override;
-  virtual views::AXAuraObjWrapper* GetParent(
+  views::AXAuraObjWrapper* GetParent(
       views::AXAuraObjWrapper* node) const override;
-  virtual bool IsValid(views::AXAuraObjWrapper* node) const override;
-  virtual bool IsEqual(views::AXAuraObjWrapper* node1,
-                       views::AXAuraObjWrapper* node2) const override;
-  virtual views::AXAuraObjWrapper* GetNull() const override;
-  virtual void SerializeNode(
-      views::AXAuraObjWrapper* node, ui::AXNodeData* out_data) const override;
+  bool IsValid(views::AXAuraObjWrapper* node) const override;
+  bool IsEqual(views::AXAuraObjWrapper* node1,
+               views::AXAuraObjWrapper* node2) const override;
+  views::AXAuraObjWrapper* GetNull() const override;
+  void SerializeNode(views::AXAuraObjWrapper* node,
+                     ui::AXNodeData* out_data) const override;
 
   // Useful for debugging.
   std::string ToString(views::AXAuraObjWrapper* root, std::string prefix);
 
  private:
   scoped_ptr<AXRootObjWrapper> root_;
 
   DISALLOW_COPY_AND_ASSIGN(AXTreeSourceAsh);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_ACCESSIBILITY_AX_TREE_SOURCE_ASH_H_