Update {virtual,override,final} to follow C++11 style.

chrome/browser/android/bookmarks/bookmarks_bridge.h

 // Copyright 2013 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_ANDROID_BOOKMARKS_BOOKMARKS_BRIDGE_H_
 #define CHROME_BROWSER_ANDROID_BOOKMARKS_BOOKMARKS_BRIDGE_H_
 
 #include <jni.h>
 
 #include "base/android/jni_android.h"
@@ skipping 134 matching lines @@
 
   void Undo(JNIEnv* env, jobject obj);
 
   void StartGroupingUndos(JNIEnv* env, jobject obj);
 
   void EndGroupingUndos(JNIEnv* env, jobject obj);
 
   base::string16 GetTitle(const BookmarkNode* node) const;
 
  private:
-  virtual ~BookmarksBridge();
+  ~BookmarksBridge() override;
 
   base::android::ScopedJavaLocalRef<jobject> CreateJavaBookmark(
       const BookmarkNode* node);
   void ExtractBookmarkNodeInformation(
       const BookmarkNode* node,
       jobject j_result_obj);
   const BookmarkNode* GetNodeByID(long node_id, int type);
   const BookmarkNode* GetFolderWithFallback(long folder_id, int type);
   // Returns whether |node| can be modified by the user.
   bool IsEditable(const BookmarkNode* node) const;
@@ skipping 49 matching lines @@
   scoped_ptr<bookmarks::ScopedGroupBookmarkActions> grouped_bookmark_actions_;
 
   // Information about the Partner bookmarks (must check for IsLoaded()).
   // This is owned by profile.
   PartnerBookmarksShim* partner_bookmarks_shim_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarksBridge);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_BOOKMARKS_BOOKMARKS_BRIDGE_H_