Standardize usage of virtual/override/final in content/

content/public/browser/resource_context.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_PUBLIC_BROWSER_RESOURCE_CONTEXT_H_
 #define CONTENT_PUBLIC_BROWSER_RESOURCE_CONTEXT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 18 matching lines @@
 
 // ResourceContext contains the relevant context information required for
 // resource loading. It lives on the IO thread, although it is constructed on
 // the UI thread. It must be destructed on the IO thread.
 class CONTENT_EXPORT ResourceContext : public base::SupportsUserData {
  public:
 #if defined(OS_IOS)
   virtual ~ResourceContext() {}
 #else
   ResourceContext();
-  virtual ~ResourceContext();
+  ~ResourceContext() override;
 #endif
   virtual net::HostResolver* GetHostResolver() = 0;
 
   // DEPRECATED: This is no longer a valid given isolated apps/sites and
   // storage partitioning. This getter returns the default context associated
   // with a BrowsingContext.
   virtual net::URLRequestContext* GetRequestContext() = 0;
 
   // Get platform ClientCertStore. May return NULL.
   virtual scoped_ptr<net::ClientCertStore> CreateClientCertStore();
@@ skipping 27 matching lines @@
   //
   // TODO(perkj): Make this method pure virtual when crbug/315022 is
   // fixed.
   typedef base::Callback<std::string()> SaltCallback;
   virtual SaltCallback GetMediaDeviceIDSalt();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RESOURCE_CONTEXT_H_