Standardize usage of virtual/override/final in content/

content/common/resource_request_body.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_COMMON_RESOURCE_REQUEST_BODY_H_
 #define CONTENT_COMMON_RESOURCE_REQUEST_BODY_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 34 matching lines @@
   }
 
   // Identifies a particular upload instance, which is used by the cache to
   // formulate a cache key.  This value should be unique across browser
   // sessions.  A value of 0 is used to indicate an unspecified identifier.
   void set_identifier(int64 id) { identifier_ = id; }
   int64 identifier() const { return identifier_; }
 
  private:
   friend class base::RefCountedThreadSafe<ResourceRequestBody>;
-  virtual ~ResourceRequestBody();
+  ~ResourceRequestBody() override;
 
   std::vector<Element> elements_;
   int64 identifier_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceRequestBody);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_RESOURCE_REQUEST_BODY_H_