Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.h

Index: chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.h
diff --git a/chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.h b/chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.h
index 6a2a5cf74069ef5c2fd0b41053b3ec8d3ac5eb4a..a59faf915c9558ebc2817dafe3e1659aff4c3f90 100644
--- a/chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.h
+++ b/chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.h
@@ -56,7 +56,7 @@ class BookmarkMenuDelegate : public BaseBookmarkModelObserver,
                        views::Widget* parent,
                        int first_menu_id,
                        int max_menu_id);
-  virtual ~BookmarkMenuDelegate();
+  ~BookmarkMenuDelegate() override;
 
   // Creates the menus from the model.
   void Init(views::MenuDelegate* real_delegate,
@@ -122,14 +122,14 @@ class BookmarkMenuDelegate : public BaseBookmarkModelObserver,
   int GetMaxWidthForMenu(views::MenuItemView* menu);
 
   // BookmarkModelObserver methods.
-  virtual void BookmarkModelChanged() override;
-  virtual void BookmarkNodeFaviconChanged(BookmarkModel* model,
-                                          const BookmarkNode* node) override;
+  void BookmarkModelChanged() override;
+  void BookmarkNodeFaviconChanged(BookmarkModel* model,
+                                  const BookmarkNode* node) override;
 
   // BookmarkContextMenu::Observer methods.
-  virtual void WillRemoveBookmarks(
+  void WillRemoveBookmarks(
       const std::vector<const BookmarkNode*>& bookmarks) override;
-  virtual void DidRemoveBookmarks() override;
+  void DidRemoveBookmarks() override;
 
  private:
   typedef std::map<int, const BookmarkNode*> MenuIDToNodeMap;