Revert 179302

chrome/browser/ui/app_list/chrome_signin_delegate.h

-// Copyright 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_UI_APP_LIST_CHROME_SIGNIN_DELEGATE_H_
-#define CHROME_BROWSER_UI_APP_LIST_CHROME_SIGNIN_DELEGATE_H_
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "chrome/browser/signin/signin_tracker.h"
-#include "chrome/browser/ui/webui/signin/login_ui_service.h"
-#include "ui/app_list/signin_delegate.h"
-
-class Profile;
-
-class ChromeSigninDelegate : public app_list::SigninDelegate,
-                             public LoginUIService::LoginUI,
-                             public SigninTracker::Observer {
- public:
-  explicit ChromeSigninDelegate(Profile* profile);
-
- private:
-  virtual ~ChromeSigninDelegate();
-
-  bool IsActiveSignin();
-  void FinishSignin();
-
-  // Overridden from app_list::SigninDelegate:
-  virtual bool NeedSignin() OVERRIDE;
-  virtual content::WebContents* PrepareForSignin() OVERRIDE;
-
-  // Overridden from LoginUIService::LoginUI:
-  virtual void FocusUI() OVERRIDE;
-  virtual void CloseUI() OVERRIDE;
-
-  // Overridden from SigninTracker::Observer:
-  virtual void GaiaCredentialsValid() OVERRIDE;
-  virtual void SigninFailed(const GoogleServiceAuthError& error) OVERRIDE;
-  virtual void SigninSuccess() OVERRIDE;
-
-  Profile* profile_;
-
-  scoped_ptr<SigninTracker> signin_tracker_;
-
-  DISALLOW_COPY_AND_ASSIGN(ChromeSigninDelegate);
-};
-
-#endif  // CHROME_BROWSER_UI_APP_LIST_CHROME_SIGNIN_DELEGATE_H_