Standardize usage of virtual/override/final in components/

components/bookmarks/browser/bookmark_expanded_state_tracker.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_BOOKMARKS_BROWSER_BOOKMARK_EXPANDED_STATE_TRACKER_H_
 #define COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_EXPANDED_STATE_TRACKER_H_
 
 #include <set>
 
 #include "components/bookmarks/browser/base_bookmark_model_observer.h"
 
 class BookmarkModel;
 class BookmarkNode;
 class PrefService;
 
 namespace bookmarks {
 
 // BookmarkExpandedStateTracker is used to track a set of expanded nodes. The
 // nodes are persisted in preferences. If an expanded node is removed from the
 // model BookmarkExpandedStateTracker removes the node.
 class BookmarkExpandedStateTracker : public BaseBookmarkModelObserver {
  public:
   typedef std::set<const BookmarkNode*> Nodes;
 
   BookmarkExpandedStateTracker(BookmarkModel* bookmark_model,
                                PrefService* pref_service);
-  virtual ~BookmarkExpandedStateTracker();
+  ~BookmarkExpandedStateTracker() override;
 
   // The set of expanded nodes.
   void SetExpandedNodes(const Nodes& nodes);
   Nodes GetExpandedNodes();
 
  private:
   // BaseBookmarkModelObserver:
-  virtual void BookmarkModelLoaded(BookmarkModel* model,
-                                   bool ids_reassigned) override;
-  virtual void BookmarkModelChanged() override;
-  virtual void BookmarkModelBeingDeleted(BookmarkModel* model) override;
-  virtual void BookmarkNodeRemoved(BookmarkModel* model,
-                                   const BookmarkNode* parent,
-                                   int old_index,
-                                   const BookmarkNode* node,
+  void BookmarkModelLoaded(BookmarkModel* model, bool ids_reassigned) override;
+  void BookmarkModelChanged() override;
+  void BookmarkModelBeingDeleted(BookmarkModel* model) override;
+  void BookmarkNodeRemoved(BookmarkModel* model,
+                           const BookmarkNode* parent,
+                           int old_index,
+                           const BookmarkNode* node,
+                           const std::set<GURL>& removed_urls) override;
+  void BookmarkAllUserNodesRemoved(BookmarkModel* model,
                                    const std::set<GURL>& removed_urls) override;
-  virtual void BookmarkAllUserNodesRemoved(
-      BookmarkModel* model,
-      const std::set<GURL>& removed_urls) override;
 
   // Updates the value for |prefs::kBookmarkEditorExpandedNodes| from
   // GetExpandedNodes().
   void UpdatePrefs(const Nodes& nodes);
 
   BookmarkModel* bookmark_model_;
   PrefService* pref_service_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkExpandedStateTracker);
 };
 
 }  // namespace bookmarks
 
 #endif  // COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_EXPANDED_STATE_TRACKER_H_