Standardize usage of virtual/override/final specifiers.

chrome/browser/sync/profile_sync_auth_provider_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 "base/run_loop.h"
 #include "chrome/browser/signin/fake_profile_oauth2_token_service.h"
 #include "chrome/browser/signin/fake_profile_oauth2_token_service_builder.h"
 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
 #include "chrome/browser/sync/profile_sync_auth_provider.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/signin/core/browser/profile_oauth2_token_service.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "google_apis/gaia/gaia_constants.h"
 #include "google_apis/gaia/google_service_auth_error.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 const char kAccountId[] = "account.id";
 
 class ProfileSyncAuthProviderTest : public ::testing::Test {
  public:
   ProfileSyncAuthProviderTest() {}
 
-  virtual ~ProfileSyncAuthProviderTest() {}
+  ~ProfileSyncAuthProviderTest() override {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     TestingProfile::Builder builder;
     builder.AddTestingFactory(ProfileOAuth2TokenServiceFactory::GetInstance(),
                               &BuildAutoIssuingFakeProfileOAuth2TokenService);
 
     profile_ = builder.Build();
 
     FakeProfileOAuth2TokenService* token_service =
         (FakeProfileOAuth2TokenService*)
         ProfileOAuth2TokenServiceFactory::GetForProfile(profile_.get());
     token_service->IssueRefreshTokenForUser(kAccountId, "fake_refresh_token");
@@ skipping 46 matching lines @@
   run_loop.RunUntilIdle();
   EXPECT_EQ(2U, request_token_errors_.size());
 
   EXPECT_EQ("", issued_tokens_[0]);
   EXPECT_EQ(GoogleServiceAuthError::REQUEST_CANCELED,
             request_token_errors_[0].state());
 
   EXPECT_NE("", issued_tokens_[1]);
   EXPECT_EQ(GoogleServiceAuthError::AuthErrorNone(), request_token_errors_[1]);
 }