Update {virtual,override} to follow C++11 style in chrome.

chrome/browser/translate/cld_data_harness.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 CHROME_BROWSER_TRANSLATE_CLD_DATA_HARNESS_H_
 #define CHROME_BROWSER_TRANSLATE_CLD_DATA_HARNESS_H_
 
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 28 matching lines @@
 // member variables and add the call to Init() into SetUpOnMainThread.
 // Sample use:
 //
 //   class MyTestClass : public InProcessBrowserTest {
 //    public:
 //     MyTestClass() :
 //       cld_data_scope(
 //         test::CldDataHarnessFactory::Get->CreateCldDataHarness()) {
 //       // (your additional setup code here)
 //     }
-//     virtual void SetUpOnMainThread() override {
+//     void SetUpOnMainThread() override {
 //       cld_data_scope->Init();
 //       InProcessBrowserTest::SetUpOnMainThread();
 //     }
 //    private:
 //     scoped_ptr<test::CldDataHarness> cld_data_scope;
 //   };
 //
 class CldDataHarness {
  public:
   CldDataHarness() {}
@@ skipping 43 matching lines @@
   // be used in testing scenarios without accessing the network.
   void GetTestDataSourceDirectory(base::FilePath* out_path);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CldDataHarness);
 };
 
 }  // namespace test
 
 #endif  // CHROME_BROWSER_TRANSLATE_CLD_DATA_HARNESS_H_