Delete dead signin code (SigninGlobalError)

chrome/browser/signin/signin_global_error.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_SIGNIN_GLOBAL_ERROR_H_
-#define CHROME_BROWSER_SIGNIN_SIGNIN_GLOBAL_ERROR_H_
-
-#include <set>
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/gtest_prod_util.h"
-#include "chrome/browser/ui/global_error/global_error.h"
-#include "components/keyed_service/core/keyed_service.h"
-#include "components/signin/core/browser/signin_error_controller.h"
-
-class Profile;
-
-// Shows auth errors on the wrench menu using a bubble view and a menu item.
-class SigninGlobalError : public GlobalErrorWithStandardBubble,
-                          public SigninErrorController::Observer,
-                          public KeyedService {
- public:
-  SigninGlobalError(SigninErrorController* error_controller,
-                    Profile* profile);
-  ~SigninGlobalError() override;
-
-  // Returns true if there is an authentication error.
-  bool HasError();
-
-  // Shows re-authentication UI to the user in an attempt to fix the error.
-  // The re-authentication UI will be shown in |browser|.
-  void AttemptToFixError(Browser* browser);
-
- private:
-  FRIEND_TEST_ALL_PREFIXES(SigninGlobalErrorTest, NoErrorAuthStatusProviders);
-  FRIEND_TEST_ALL_PREFIXES(SigninGlobalErrorTest, ErrorAuthStatusProvider);
-  FRIEND_TEST_ALL_PREFIXES(SigninGlobalErrorTest, AuthStatusEnumerateAllErrors);
-
-  // KeyedService:
-  void Shutdown() override;
-
-  // GlobalErrorWithStandardBubble:
-  bool HasMenuItem() override;
-  int MenuItemCommandID() override;
-  base::string16 MenuItemLabel() override;
-  void ExecuteMenuItem(Browser* browser) override;
-  bool HasBubbleView() override;
-  base::string16 GetBubbleViewTitle() override;
-  std::vector<base::string16> GetBubbleViewMessages() override;
-  base::string16 GetBubbleViewAcceptButtonLabel() override;
-  base::string16 GetBubbleViewCancelButtonLabel() override;
-  void OnBubbleViewDidClose(Browser* browser) override;
-  void BubbleViewAcceptButtonPressed(Browser* browser) override;
-  void BubbleViewCancelButtonPressed(Browser* browser) override;
-
-  // SigninErrorController::Observer:
-  void OnErrorChanged() override;
-
-  // The Profile this service belongs to.
-  Profile* profile_;
-
-  // The SigninErrorController that provides auth status.
-  SigninErrorController* error_controller_;
-
-  // True if signin global error was added to the global error service.
-  bool is_added_to_global_error_service_;
-
-  DISALLOW_COPY_AND_ASSIGN(SigninGlobalError);
-};
-
-#endif  // CHROME_BROWSER_SIGNIN_SIGNIN_GLOBAL_ERROR_H_