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

chrome/installer/util/google_update_settings_unittest.cc

Index: chrome/installer/util/google_update_settings_unittest.cc
diff --git a/chrome/installer/util/google_update_settings_unittest.cc b/chrome/installer/util/google_update_settings_unittest.cc
index 024cf5bf685676a31f1b74c66342a8aeda75598f..46b933b66bf15790e5e941d7050ff007d5f053cb 100644
--- a/chrome/installer/util/google_update_settings_unittest.cc
+++ b/chrome/installer/util/google_update_settings_unittest.cc
@@ -988,7 +988,7 @@ class GetUninstallCommandLine : public GoogleUpdateSettingsTest,
  protected:
   static const wchar_t kDummyCommand[];
 
-  virtual void SetUp() override {
+  void SetUp() override {
     GoogleUpdateSettingsTest::SetUp();
     system_install_ = GetParam();
     root_key_ = system_install_ ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
@@ -1047,7 +1047,7 @@ class GetGoogleUpdateVersion : public GoogleUpdateSettingsTest,
  protected:
   static const wchar_t kDummyVersion[];
 
-  virtual void SetUp() override {
+  void SetUp() override {
     GoogleUpdateSettingsTest::SetUp();
     system_install_ = GetParam();
     root_key_ = system_install_ ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
@@ -1165,7 +1165,7 @@ class CollectStatsConsent : public ::testing::TestWithParam<StatsState> {
   static void SetUpTestCase();
   static void TearDownTestCase();
  protected:
-  virtual void SetUp() override;
+  void SetUp() override;
   static void MakeChromeMultiInstall(HKEY root_key);
   static void ApplySetting(StatsState::StateSetting setting,
                            HKEY root_key,