Make the SigninErrorController a PKS.

components/signin/ios/browser/profile_oauth2_token_service_ios_unittest.mm

 // 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 "components/signin/core/browser/profile_oauth2_token_service.h"
 #include "components/signin/core/browser/test_signin_client.h"
 #include "components/signin/ios/browser/profile_oauth2_token_service_ios.h"
 #include "google_apis/gaia/gaia_urls.h"
 #include "google_apis/gaia/oauth2_token_service_test_util.h"
@@ skipping 14 matching lines @@
         access_token_success_(0),
         access_token_failure_(0),
         last_access_token_error_(GoogleServiceAuthError::NONE) {}
 
   virtual void SetUp() override {
     factory_.SetFakeResponse(GaiaUrls::GetInstance()->oauth2_revoke_url(),
                              "",
                              net::HTTP_OK,
                              net::URLRequestStatus::SUCCESS);
     fake_provider_ = client_.GetIOSProviderAsFake();
-    oauth2_service_.Initialize(&client_);
+    oauth2_service_.Initialize(&client_, &signin_error_controller_);
     oauth2_service_.AddObserver(this);
   }
 
   virtual void TearDown() override {
     oauth2_service_.RemoveObserver(this);
     oauth2_service_.Shutdown();
   }
 
   // OAuth2TokenService::Consumer implementation.
   virtual void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
@@ skipping 22 matching lines @@
     token_revoked_count_ = 0;
     tokens_loaded_count_ = 0;
     token_available_count_ = 0;
     access_token_failure_ = 0;
   }
 
  protected:
   base::MessageLoop message_loop_;
   net::FakeURLFetcherFactory factory_;
   TestSigninClient client_;
+  SigninErrorController signin_error_controller_;
   ios::FakeProfileOAuth2TokenServiceIOSProvider* fake_provider_;
   ProfileOAuth2TokenServiceIOS oauth2_service_;
   TestingOAuth2TokenServiceConsumer consumer_;
   int token_available_count_;
   int token_revoked_count_;
   int tokens_loaded_count_;
   int access_token_success_;
   int access_token_failure_;
   GoogleServiceAuthError last_access_token_error_;
 };
@@ skipping 101 matching lines @@
       oauth2_service_.StartRequest("account_id_1", scopes, this));
   EXPECT_EQ(0, access_token_success_);
   EXPECT_EQ(0, access_token_failure_);
 
   ResetObserverCounts();
   fake_provider_->IssueAccessTokenErrorForAllRequests();
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(0, access_token_success_);
   EXPECT_EQ(1, access_token_failure_);
 }