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

chrome/common/safe_browsing/pe_image_reader_win_unittest.cc

 // 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.
 
 #include <windows.h>
 #include <wintrust.h>
 
 #include "base/files/file_path.h"
 #include "base/files/memory_mapped_file.h"
 #include "base/path_service.h"
@@ skipping 17 matching lines @@
   size_t number_of_debug_entries;
 };
 
 // A test fixture parameterized on test data containing the name of a PE image
 // to parse and the expected values to be read from it. The file is read from
 // the src/chrome/test/data/safe_browsing directory.
 class PeImageReaderTest : public testing::TestWithParam<const TestData*> {
  protected:
   PeImageReaderTest() : expected_data_(GetParam()) {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &data_file_path_));
     data_file_path_ = data_file_path_.AppendASCII("safe_browsing");
     data_file_path_ = data_file_path_.AppendASCII(expected_data_->filename);
 
     ASSERT_TRUE(data_file_.Initialize(data_file_path_));
 
     ASSERT_TRUE(image_reader_.Initialize(data_file_.data(),
                                          data_file_.length()));
   }
 
@@ skipping 231 matching lines @@
                         testing::Values(&kCertificateTestData[0]));
 INSTANTIATE_TEST_CASE_P(UnsignedExe,
                         PeImageReaderCertificateTest,
                         testing::Values(&kCertificateTestData[1]));
 INSTANTIATE_TEST_CASE_P(WowHelperExe,
                         PeImageReaderCertificateTest,
                         testing::Values(&kCertificateTestData[2]));
 INSTANTIATE_TEST_CASE_P(SignedTwiceExe,
                         PeImageReaderCertificateTest,
                         testing::Values(&kCertificateTestData[3]));