Componentize SigninErrorController unittest.

chrome/browser/signin/fake_auth_status_provider.h

-// Copyright (c) 2013 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.
-
-#ifndef CHROME_BROWSER_SIGNIN_FAKE_AUTH_STATUS_PROVIDER_H_
-#define CHROME_BROWSER_SIGNIN_FAKE_AUTH_STATUS_PROVIDER_H_
-
-#include "components/signin/core/browser/signin_error_controller.h"
-
-// Helper class that reports auth errors to SigninErrorController. Automatically
-// registers and de-registers itself as an AuthStatusProvider in the
-// constructor and destructor.
-class FakeAuthStatusProvider
-    : public SigninErrorController::AuthStatusProvider {
- public:
-  explicit FakeAuthStatusProvider(SigninErrorController* error);
-  virtual ~FakeAuthStatusProvider();
-
-  // Sets the auth error that this provider reports to SigninErrorController.
-  // Also notifies SigninErrorController via AuthStatusChanged().
-  void SetAuthError(const std::string& account_id,
-                    const GoogleServiceAuthError& error);
-
-  void set_error_without_status_change(const GoogleServiceAuthError& error) {
-    auth_error_ = error;
-  }
-
-  // AuthStatusProvider implementation.
-  virtual std::string GetAccountId() const OVERRIDE;
-  virtual GoogleServiceAuthError GetAuthStatus() const OVERRIDE;
-
- private:
-  SigninErrorController* error_provider_;
-  std::string account_id_;
-  GoogleServiceAuthError auth_error_;
-};
-
-#endif  // CHROME_BROWSER_SIGNIN_FAKE_AUTH_STATUS_PROVIDER_H_