Standardize usage of virtual/override/final in content/

content/child/indexed_db/indexed_db_dispatcher.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 CONTENT_CHILD_INDEXED_DB_INDEXED_DB_DISPATCHER_H_
 #define CONTENT_CHILD_INDEXED_DB_INDEXED_DB_DISPATCHER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 34 matching lines @@
 
 // Handle the indexed db related communication for this context thread - the
 // main thread and each worker thread have their own copies.
 class CONTENT_EXPORT IndexedDBDispatcher : public WorkerTaskRunner::Observer {
  public:
   // Constructor made public to allow RenderThreadImpl to own a copy without
   // failing a NOTREACHED in ThreadSpecificInstance in tests that instantiate
   // two copies of RenderThreadImpl on the same thread.  Everyone else probably
   // wants to use ThreadSpecificInstance().
   explicit IndexedDBDispatcher(ThreadSafeSender* thread_safe_sender);
-  virtual ~IndexedDBDispatcher();
+  ~IndexedDBDispatcher() override;
 
   // |thread_safe_sender| needs to be passed in because if the call leads to
   // construction it will be needed.
   static IndexedDBDispatcher* ThreadSpecificInstance(
       ThreadSafeSender* thread_safe_sender);
 
   // WorkerTaskRunner::Observer implementation.
-  virtual void OnWorkerRunLoopStopped() override;
+  void OnWorkerRunLoopStopped() override;
 
   static blink::WebIDBMetadata ConvertMetadata(
       const IndexedDBDatabaseMetadata& idb_metadata);
 
   void OnMessageReceived(const IPC::Message& msg);
 
   // This method is virtual so it can be overridden in unit tests.
   virtual bool Send(IPC::Message* msg);
 
   void RequestIDBFactoryGetDatabaseNames(
@@ skipping 185 matching lines @@
   std::map<int32, WebIDBCursorImpl*> cursors_;
 
   std::map<int32, WebIDBDatabaseImpl*> databases_;
 
   DISALLOW_COPY_AND_ASSIGN(IndexedDBDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_INDEXED_DB_INDEXED_DB_DISPATCHER_H_