Standardize usage of virtual/override/final in content/

content/public/test/mock_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_TEST_MOCK_RESOURCE_CONTEXT_H_
 #define CONTENT_PUBLIC_TEST_MOCK_RESOURCE_CONTEXT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/resource_context.h"
 
 namespace net {
 class URLRequestContext;
 }
 
 namespace content {
 
 class MockResourceContext : public ResourceContext {
  public:
   MockResourceContext();
 
   // Does not take ownership of |test_request_context|.
   explicit MockResourceContext(net::URLRequestContext* test_request_context);
 
-  virtual ~MockResourceContext();
+  ~MockResourceContext() override;
 
   // ResourceContext implementation:
-  virtual net::HostResolver* GetHostResolver() override;
-  virtual net::URLRequestContext* GetRequestContext() override;
+  net::HostResolver* GetHostResolver() override;
+  net::URLRequestContext* GetRequestContext() override;
 
  private:
   net::URLRequestContext* test_request_context_;
 
   DISALLOW_COPY_AND_ASSIGN(MockResourceContext);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_MOCK_RESOURCE_CONTEXT_H_