Standardize usage of virtual/override/final specifiers.

chrome/browser/file_select_helper_unittest.cc

 // Copyright (c) 2012 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 "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/macros.h"
 #include "base/path_service.h"
 #include "base/process/launch.h"
 #include "chrome/browser/file_select_helper.h"
 #include "chrome/common/chrome_paths.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class FileSelectHelperTest : public testing::Test {
  public:
   FileSelectHelperTest() {}
 
  protected:
-  virtual void SetUp() override {
+  void SetUp() override {
     ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &data_dir_));
     data_dir_ = data_dir_.AppendASCII("file_select_helper");
     ASSERT_TRUE(base::PathExists(data_dir_));
   }
 
   // The path to input data used in tests.
   base::FilePath data_dir_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FileSelectHelperTest);
@@ skipping 39 matching lines @@
   size_t file_count = arraysize(files_to_verify);
   for (size_t i = 0; i < file_count; i++) {
     const char* relative_path = files_to_verify[i];
     base::FilePath orig_file = src.Append(relative_path);
     base::FilePath final_file =
         temp_dir.path().Append(app_name).Append(relative_path);
     EXPECT_TRUE(base::ContentsEqual(orig_file, final_file));
   }
 }
 #endif  // defined(OS_MACOSX) && !defined(OS_IOS)