Standardize usage of virtual/override/final specifiers.

chrome/test/nacl/pnacl_header_test.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 CHROME_TEST_NACL_PNACL_HEADER_TEST_H_
 #define CHROME_TEST_NACL_PNACL_HEADER_TEST_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/test/base/in_process_browser_test.h"
@@ skipping 31 matching lines @@
 
  private:
   bool found_pnacl_header_;
 
   DISALLOW_COPY_AND_ASSIGN(TestDispatcherHostDelegate);
 };
 
 class PnaclHeaderTest : public InProcessBrowserTest {
  public:
   PnaclHeaderTest();
-  virtual ~PnaclHeaderTest();
+  ~PnaclHeaderTest() override;
 
   // Run a simple test that checks that the NaCl plugin sends the right
   // headers when doing |expected_noncors| same origin pexe load requests
   // and |expected_cors| cross origin pexe load requests.
   void RunLoadTest(const std::string& url,
                    int expected_noncors,
                    int expected_cors);
 
  private:
   void StartServer();
 
   scoped_ptr<net::test_server::HttpResponse> WatchForPexeFetch(
       const net::test_server::HttpRequest& request);
 
   int noncors_loads_;
   int cors_loads_;
   TestDispatcherHostDelegate test_delegate_;
   DISALLOW_COPY_AND_ASSIGN(PnaclHeaderTest);
 };
 
 #endif  // CHROME_TEST_NACL_PNACL_HEADER_TEST_H_