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

chrome/renderer/pepper/pepper_flash_renderer_host.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 CHROME_RENDERER_PEPPER_PEPPER_FLASH_RENDERER_HOST_H_
 #define CHROME_RENDERER_PEPPER_PEPPER_FLASH_RENDERER_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 16 matching lines @@
 
 namespace content {
 class RendererPpapiHost;
 }
 
 class PepperFlashRendererHost : public ppapi::host::ResourceHost {
  public:
   PepperFlashRendererHost(content::RendererPpapiHost* host,
                           PP_Instance instance,
                           PP_Resource resource);
-  virtual ~PepperFlashRendererHost();
+  ~PepperFlashRendererHost() override;
 
   // ppapi::host::ResourceHost override.
-  virtual int32_t OnResourceMessageReceived(
+  int32_t OnResourceMessageReceived(
       const IPC::Message& msg,
       ppapi::host::HostMessageContext* context) override;
 
  private:
   int32_t OnGetProxyForURL(ppapi::host::HostMessageContext* host_context,
                            const std::string& url);
   int32_t OnSetInstanceAlwaysOnTop(
       ppapi::host::HostMessageContext* host_context,
       bool on_top);
   int32_t OnDrawGlyphs(ppapi::host::HostMessageContext* host_context,
@@ skipping 10 matching lines @@
   // yet been replied to.
   std::vector<ppapi::host::ReplyMessageContext> navigate_replies_;
 
   content::RendererPpapiHost* host_;
   base::WeakPtrFactory<PepperFlashRendererHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperFlashRendererHost);
 };
 
 #endif  // CHROME_RENDERER_PEPPER_PEPPER_FLASH_RENDERER_HOST_H_