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

content/renderer/pepper/ppb_flash_message_loop_impl.h

 // Copyright (c) 2012 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_PEPPER_PPB_FLASH_MESSAGE_LOOP_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_PPB_FLASH_MESSAGE_LOOP_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "ppapi/shared_impl/resource.h"
 #include "ppapi/thunk/ppb_flash_message_loop_api.h"
 
 namespace content {
 
 class PPB_Flash_MessageLoop_Impl
     : public ppapi::Resource,
       public ppapi::thunk::PPB_Flash_MessageLoop_API {
  public:
   static PP_Resource Create(PP_Instance instance);
 
   // Resource.
-  virtual ppapi::thunk::PPB_Flash_MessageLoop_API* AsPPB_Flash_MessageLoop_API()
+  ppapi::thunk::PPB_Flash_MessageLoop_API* AsPPB_Flash_MessageLoop_API()
       override;
 
   // PPB_Flash_MessageLoop_API implementation.
-  virtual int32_t Run() override;
-  virtual void Quit() override;
-  virtual void RunFromHostProxy(const RunFromHostProxyCallback& callback)
-      override;
+  int32_t Run() override;
+  void Quit() override;
+  void RunFromHostProxy(const RunFromHostProxyCallback& callback) override;
 
  private:
   class State;
 
   explicit PPB_Flash_MessageLoop_Impl(PP_Instance instance);
-  virtual ~PPB_Flash_MessageLoop_Impl();
+  ~PPB_Flash_MessageLoop_Impl() override;
 
   // If |callback| is valid, it will be called when the message loop is signaled
   // to quit, and the result passed into it will be the same value as what this
   // method returns.
   // Please note that |callback| happens before this method returns.
   int32_t InternalRun(const RunFromHostProxyCallback& callback);
   void InternalQuit(int32_t result);
 
   scoped_refptr<State> state_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_Flash_MessageLoop_Impl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PPB_FLASH_MESSAGE_LOOP_IMPL_H_