Standardize usage of virtual/override/final in content/renderer/

content/renderer/gamepad_shared_memory_reader.h

 // Copyright (c) 2011 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_RENDERER_GAMEPAD_SHARED_MEMORY_READER_H_
 #define CONTENT_RENDERER_GAMEPAD_SHARED_MEMORY_READER_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/shared_memory.h"
 #include "content/common/gamepad_messages.h"
 #include "content/public/renderer/renderer_gamepad_provider.h"
 #include "third_party/WebKit/public/platform/WebGamepads.h"
 
 namespace content {
 
 struct GamepadHardwareBuffer;
 
 class GamepadSharedMemoryReader : public RendererGamepadProvider {
  public:
   explicit GamepadSharedMemoryReader(RenderThread* thread);
-  virtual ~GamepadSharedMemoryReader();
+  ~GamepadSharedMemoryReader() override;
 
   // RendererGamepadProvider implementation.
-  virtual void SampleGamepads(
-      blink::WebGamepads& gamepads) override;
-  virtual bool OnControlMessageReceived(const IPC::Message& message) override;
-  virtual void Start(blink::WebPlatformEventListener* listener) override;
+  void SampleGamepads(blink::WebGamepads& gamepads) override;
+  bool OnControlMessageReceived(const IPC::Message& message) override;
+  void Start(blink::WebPlatformEventListener* listener) override;
 
  protected:
   // PlatformEventObserver protected methods.
-  virtual void SendStartMessage() override;
-  virtual void SendStopMessage() override;
+  void SendStartMessage() override;
+  void SendStopMessage() override;
 
  private:
   void OnGamepadConnected(int index, const blink::WebGamepad& gamepad);
   void OnGamepadDisconnected(int index, const blink::WebGamepad& gamepad);
 
   base::SharedMemoryHandle renderer_shared_memory_handle_;
   scoped_ptr<base::SharedMemory> renderer_shared_memory_;
   GamepadHardwareBuffer* gamepad_hardware_buffer_;
 
   bool ever_interacted_with_;
 
   DISALLOW_COPY_AND_ASSIGN(GamepadSharedMemoryReader);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_GAMEPAD_SHARED_MEMORY_READER_H_