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

content/renderer/media/crypto/pepper_cdm_wrapper_impl.h

Index: content/renderer/media/crypto/pepper_cdm_wrapper_impl.h
diff --git a/content/renderer/media/crypto/pepper_cdm_wrapper_impl.h b/content/renderer/media/crypto/pepper_cdm_wrapper_impl.h
index 38e53c94006af92c2cfe67c520d6b1f59784b3ee..ea4f31c249b247bfe4f82d007baffe62d4c1142d 100644
--- a/content/renderer/media/crypto/pepper_cdm_wrapper_impl.h
+++ b/content/renderer/media/crypto/pepper_cdm_wrapper_impl.h
@@ -44,10 +44,10 @@ class PepperCdmWrapperImpl : public PepperCdmWrapper {
                                              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>