Standardize usage of virtual/override/final specifiers.

chrome/browser/google/google_update_settings_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/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_util.h"
 #include "base/path_service.h"
 #include "base/test/scoped_path_override.h"
 #include "chrome/browser/google/google_brand.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/installer/util/google_update_settings.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 class GoogleUpdateTest : public PlatformTest {
  protected:
   GoogleUpdateTest() : user_data_dir_override_(chrome::DIR_USER_DATA) {}
-  virtual ~GoogleUpdateTest() {}
+  ~GoogleUpdateTest() override {}
 
  private:
   base::ScopedPathOverride user_data_dir_override_;
 
   DISALLOW_COPY_AND_ASSIGN(GoogleUpdateTest);
 };
 
 TEST_F(GoogleUpdateTest, StatsConsent) {
   // Stats are off by default.
   EXPECT_FALSE(GoogleUpdateSettings::GetCollectStatsConsent());
@@ skipping 44 matching lines @@
   ASSERT_TRUE(PathService::Get(chrome::DIR_USER_DATA, &consent_dir));
   ASSERT_TRUE(base::DirectoryExists(consent_dir));
 
   base::FilePath consent_file = consent_dir.Append("Consent To Send Stats");
   ASSERT_TRUE(base::PathExists(consent_file));
   int permissions;
   ASSERT_TRUE(base::GetPosixFilePermissions(consent_file, &permissions));
   EXPECT_TRUE(permissions & base::FILE_PERMISSION_READ_BY_OTHERS);
 }
 #endif