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

chrome/browser/ui/cocoa/content_settings/cookies_tree_controller_bridge.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_COCOA_CONTENT_SETTINGS_COOKIES_TREE_CONTROLLER_BRIDGE_H_
 #define CHROME_BROWSER_UI_COCOA_CONTENT_SETTINGS_COOKIES_TREE_CONTROLLER_BRIDGE_H_
 
 #import <Cocoa/Cocoa.h>
 
 #import "base/mac/scoped_nsobject.h"
 #include "chrome/browser/browsing_data/cookies_tree_model.h"
 #import "chrome/browser/ui/cocoa/content_settings/cookie_tree_node.h"
 
 class CookiesTreeControllerBridge : public ui::TreeModelObserver {
  public:
   explicit CookiesTreeControllerBridge(CookiesTreeModel* model);
-  virtual ~CookiesTreeControllerBridge();
+  ~CookiesTreeControllerBridge() override;
 
   // TreeModelObserver:
-  virtual void TreeNodesAdded(ui::TreeModel* model,
-                              ui::TreeModelNode* parent,
-                              int start,
-                              int count) override;
-  virtual void TreeNodesRemoved(ui::TreeModel* model,
-                                ui::TreeModelNode* parent,
-                                int start,
-                                int count) override;
-  virtual void TreeNodeChanged(ui::TreeModel* model,
-                               ui::TreeModelNode* node) override;
+  void TreeNodesAdded(ui::TreeModel* model,
+                      ui::TreeModelNode* parent,
+                      int start,
+                      int count) override;
+  void TreeNodesRemoved(ui::TreeModel* model,
+                        ui::TreeModelNode* parent,
+                        int start,
+                        int count) override;
+  void TreeNodeChanged(ui::TreeModel* model, ui::TreeModelNode* node) override;
 
   CocoaCookieTreeNode* cocoa_model() const { return cocoa_model_.get(); }
 
  private:
   // Creates a CocoaCookieTreeNode from a platform-independent one.
   // Return value is autoreleased. This creates child nodes recusively.
   CocoaCookieTreeNode* CocoaNodeFromTreeNode(ui::TreeModelNode* node);
 
   // Finds the Cocoa model node based on a platform-independent one. This is
   // done by comparing the treeNode pointers. |start| is the node to start
   // searching at. If |start| is nil, the root is used.
   CocoaCookieTreeNode* FindCocoaNode(ui::TreeModelNode* node,
                                      CocoaCookieTreeNode* start);
 
   // The C++ model that this observes.
   CookiesTreeModel* model_;  // weak
 
   // A copy of the model using Cocoa objects instead of C++ ones.
   base::scoped_nsobject<CocoaCookieTreeNode> cocoa_model_;
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_CONTENT_SETTINGS_COOKIES_TREE_CONTROLLER_BRIDGE_H_