Standardize usage of virtual/override/final specifiers.

chrome/browser/signin/signin_manager_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 "components/signin/core/browser/signin_manager.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 73 matching lines @@
     num_signouts_++;
   }
 };
 
 }  // namespace
 
 
 class SigninManagerTest : public testing::Test {
  public:
   SigninManagerTest() : manager_(NULL) {}
-  virtual ~SigninManagerTest() {}
+  ~SigninManagerTest() override {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     manager_ = NULL;
     prefs_.reset(new TestingPrefServiceSimple);
     chrome::RegisterLocalState(prefs_->registry());
     TestingBrowserProcess::GetGlobal()->SetLocalState(
         prefs_.get());
     TestingProfile::Builder builder;
     builder.AddTestingFactory(ProfileOAuth2TokenServiceFactory::GetInstance(),
                               BuildFakeProfileOAuth2TokenService);
     builder.AddTestingFactory(ChromeSigninClientFactory::GetInstance(),
                               signin::BuildTestSigninClient);
     builder.AddTestingFactory(SigninManagerFactory::GetInstance(),
                               SigninManagerBuild);
     profile_ = builder.Build();
 
     static_cast<TestSigninClient*>(
         ChromeSigninClientFactory::GetInstance()->GetForProfile(profile()))->
             SetURLRequestContext(profile_->GetRequestContext());
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     if (manager_)
       manager_->RemoveObserver(&test_observer_);
 
     // Destroy the SigninManager here, because it relies on profile() which is
     // freed in the base class.
     if (naked_manager_) {
       naked_manager_->Shutdown();
       naked_manager_.reset(NULL);
     }
     TestingBrowserProcess::GetGlobal()->SetLocalState(NULL);
@@ skipping 215 matching lines @@
             profile()->GetPrefs()->GetString(prefs::kGoogleServicesUsername));
   EXPECT_EQ("external@example.com", manager_->GetAuthenticatedUsername());
 }
 
 TEST_F(SigninManagerTest, SigninNotAllowed) {
   std::string user("user@google.com");
   profile()->GetPrefs()->SetString(prefs::kGoogleServicesUsername, user);
   profile()->GetPrefs()->SetBoolean(prefs::kSigninAllowed, false);
   SetUpSigninManagerAsService();
 }