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

content/renderer/media/crypto/pepper_cdm_wrapper_impl.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 CONTENT_RENDERER_MEDIA_CRYPTO_PEPPER_CDM_WRAPPER_IMPL_H_
 #define CONTENT_RENDERER_MEDIA_CRYPTO_PEPPER_CDM_WRAPPER_IMPL_H_
 
 #if !defined(ENABLE_PEPPER_CDMS)
 #error This file should only be included when ENABLE_PEPPER_CDMS is defined
 #endif
@@ skipping 26 matching lines @@
 // this object is destroyed.
 //
 // Implemented so that lower layers in Chromium don't need to be aware of
 // blink:: objects.
 class PepperCdmWrapperImpl : public PepperCdmWrapper {
  public:
   static scoped_ptr<PepperCdmWrapper> Create(blink::WebLocalFrame* frame,
                                              const std::string& pluginType,
                                              const GURL& security_origin);
 
-  virtual ~PepperCdmWrapperImpl();
+  ~PepperCdmWrapperImpl() override;
 
   // Returns the ContentDecryptorDelegate* associated with this plugin.
-  virtual ContentDecryptorDelegate* GetCdmDelegate() override;
+  ContentDecryptorDelegate* GetCdmDelegate() override;
 
  private:
   typedef scoped_ptr<blink::WebHelperPlugin, WebHelperPluginDeleter>
       ScopedHelperPlugin;
 
   // Takes ownership of |helper_plugin| and |plugin_instance|.
   PepperCdmWrapperImpl(
       ScopedHelperPlugin helper_plugin,
       const scoped_refptr<PepperPluginInstanceImpl>& plugin_instance);
 
   ScopedHelperPlugin helper_plugin_;
   scoped_refptr<PepperPluginInstanceImpl> plugin_instance_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperCdmWrapperImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_CRYPTO_PEPPER_CDM_WRAPPER_IMPL_H_