Standardize usage of virtual/override/final in content/

content/shell/browser/layout_test/layout_test_url_request_context_getter.h

 // Copyright 2013 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_SHELL_BROWSER_LAYOUT_TEST_LAYOUT_TEST_URL_REQUEST_CONTEXT_GETTER_H_
 #define CONTENT_SHELL_BROWSER_LAYOUT_TEST_LAYOUT_TEST_URL_REQUEST_CONTEXT_GETTER_H_
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
@@ skipping 22 matching lines @@
   LayoutTestURLRequestContextGetter(
       bool ignore_certificate_errors,
       const base::FilePath& base_path,
       base::MessageLoop* io_loop,
       base::MessageLoop* file_loop,
       ProtocolHandlerMap* protocol_handlers,
       URLRequestInterceptorScopedVector request_interceptors,
       net::NetLog* net_log);
 
  protected:
-  virtual ~LayoutTestURLRequestContextGetter();
+  ~LayoutTestURLRequestContextGetter() override;
 
   // ShellURLRequestContextGetter implementation.
-  virtual net::NetworkDelegate* CreateNetworkDelegate() override;
-  virtual net::ProxyConfigService* GetProxyConfigService() override;
-  virtual net::ProxyService* GetProxyService() override;
+  net::NetworkDelegate* CreateNetworkDelegate() override;
+  net::ProxyConfigService* GetProxyConfigService() override;
+  net::ProxyService* GetProxyService() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(LayoutTestURLRequestContextGetter);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_BROWSER_LAYOUT_TEST_LAYOUT_TEST_URL_REQUEST_CONTEXT_GETTER_H_