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

chrome/browser/custom_home_pages_table_model.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 CHROME_BROWSER_CUSTOM_HOME_PAGES_TABLE_MODEL_H_
 #define CHROME_BROWSER_CUSTOM_HOME_PAGES_TABLE_MODEL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 13 matching lines @@
 namespace ui {
 class TableModelObserver;
 }
 
 // CustomHomePagesTableModel is the model for the TableView showing the list
 // of pages the user wants opened on startup.
 
 class CustomHomePagesTableModel : public ui::TableModel {
  public:
   explicit CustomHomePagesTableModel(Profile* profile);
-  virtual ~CustomHomePagesTableModel();
+  ~CustomHomePagesTableModel() override;
 
   // Sets the set of urls that this model contains.
   void SetURLs(const std::vector<GURL>& urls);
 
   // Collect all entries indexed by |index_list|, and moves them to be right
   // before the element addressed by |insert_before|. Used by Drag&Drop.
   // Expects |index_list| to be ordered ascending.
   void MoveURLs(int insert_before, const std::vector<int>& index_list);
 
   // Adds an entry at the specified index.
   void Add(int index, const GURL& url);
 
   // Removes the entry at the specified index.
   void Remove(int index);
 
   // Clears any entries and fills the list with pages currently opened in the
   // browser.
   void SetToCurrentlyOpenPages();
 
   // Returns the set of urls this model contains.
   std::vector<GURL> GetURLs();
 
   // TableModel overrides:
-  virtual int RowCount() override;
-  virtual base::string16 GetText(int row, int column_id) override;
-  virtual base::string16 GetTooltip(int row) override;
-  virtual void SetObserver(ui::TableModelObserver* observer) override;
+  int RowCount() override;
+  base::string16 GetText(int row, int column_id) override;
+  base::string16 GetTooltip(int row) override;
+  void SetObserver(ui::TableModelObserver* observer) override;
 
  private:
   // Each item in the model is represented as an Entry. Entry stores the URL
   // and title of the page.
   struct Entry;
 
   // Loads the title for the specified entry.
   void LoadTitle(Entry* entry);
 
   // Callback from history service. Updates the title of the Entry whose
@@ skipping 14 matching lines @@
 
   ui::TableModelObserver* observer_;
 
   // Used in loading titles.
   base::CancelableTaskTracker task_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(CustomHomePagesTableModel);
 };
 
 #endif  // CHROME_BROWSER_CUSTOM_HOME_PAGES_TABLE_MODEL_H_