replace OVERRIDE and FINAL with override and final in extensions/

extensions/shell/test/shell_test_launcher_delegate.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 EXTENSIONS_SHELL_TEST_SHELL_TEST_LAUNCHER_DELEGATE_H_
 #define EXTENSIONS_SHELL_TEST_SHELL_TEST_LAUNCHER_DELEGATE_H_
 
 #include "content/public/test/test_launcher.h"
 
 namespace extensions {
 
 class AppShellTestLauncherDelegate : public content::TestLauncherDelegate {
  public:
-  virtual int RunTestSuite(int argc, char** argv) OVERRIDE;
+  virtual int RunTestSuite(int argc, char** argv) override;
   virtual bool AdjustChildProcessCommandLine(
       base::CommandLine* command_line,
-      const base::FilePath& temp_data_dir) OVERRIDE;
-  virtual content::ContentMainDelegate* CreateContentMainDelegate() OVERRIDE;
+      const base::FilePath& temp_data_dir) override;
+  virtual content::ContentMainDelegate* CreateContentMainDelegate() override;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_SHELL_TEST_SHELL_TEST_LAUNCHER_DELEGATE_H_