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

chrome/browser/android/enhanced_bookmarks/enhanced_bookmarks_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_ANDROID_ENHANCED_BOOKMARKS_ENHANCED_BOOKMARKS_BRIDGE_H_
 #define CHROME_BROWSER_ANDROID_ENHANCED_BOOKMARKS_ENHANCED_BOOKMARKS_BRIDGE_H_
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_weak_ref.h"
 #include "chrome/browser/profiles/profile.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/enhanced_bookmarks/bookmark_server_search_service.h"
 #include "components/enhanced_bookmarks/bookmark_server_service.h"
 
 namespace enhanced_bookmarks {
 
 class BookmarkServerClusterService;
 
 namespace android {
 
 class EnhancedBookmarksBridge : public BookmarkServerServiceObserver {
  public:
   EnhancedBookmarksBridge(JNIEnv* env, jobject obj, Profile* profile);
-  virtual ~EnhancedBookmarksBridge();
+  ~EnhancedBookmarksBridge() override;
   void Destroy(JNIEnv*, jobject);
 
   base::android::ScopedJavaLocalRef<jstring> GetBookmarkDescription(
       JNIEnv* env,
       jobject obj,
       jlong id,
       jint type);
   void SetBookmarkDescription(JNIEnv* env,
                               jobject obj,
                               jlong id,
@@ skipping 31 matching lines @@
       jstring j_title,
       jstring j_url);
   void SendSearchRequest(JNIEnv* env, jobject obj, jstring j_query);
 
   base::android::ScopedJavaLocalRef<jobject> GetSearchResults(JNIEnv* env,
                                                               jobject obj,
                                                               jstring j_query);
 
   // BookmarkServerServiceObserver
   // Called on changes to cluster data or search results are returned.
-  virtual void OnChange(BookmarkServerService* service) override;
+  void OnChange(BookmarkServerService* service) override;
 
  private:
   bool IsEditable(const BookmarkNode* node) const;
 
   JavaObjectWeakGlobalRef weak_java_ref_;
   EnhancedBookmarkModel* enhanced_bookmark_model_; // weak
   BookmarkServerClusterService* cluster_service_;  // weak
   scoped_ptr<BookmarkServerSearchService> search_service_;
   Profile* profile_;                       // weak
   DISALLOW_COPY_AND_ASSIGN(EnhancedBookmarksBridge);
 };
 
 bool RegisterEnhancedBookmarksBridge(JNIEnv* env);
 
 }  // namespace android
 }  // namespace enhanced_bookmarks
 
 #endif  // CHROME_BROWSER_ANDROID_ENHANCED_BOOKMARKS_ENHANCED_BOOKMARKS_BRIDGE_H_