Revert 129762 - [Sync] [GTK] Add GTK version of the one-click signin dialog

chrome/browser/ui/gtk/one_click_signin_dialog_gtk.h

-// Copyright (c) 2012 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_GTK_ONE_CLICK_SIGNIN_DIALOG_GTK_H_
-#define CHROME_BROWSER_UI_GTK_ONE_CLICK_SIGNIN_DIALOG_GTK_H_
-#pragma once
-
-#include "chrome/browser/ui/sync/one_click_signin_dialog.h"
-
-#include "base/basictypes.h"
-#include "base/callback.h"
-#include "ui/base/gtk/gtk_signal.h"
-
-typedef struct _GtkWidget GtkWidget;
-typedef struct _GtkWindow GtkWindow;
-
-// Displays the one-click signin confirmation dialog (as a
-// window-modal dialog) and starts one-click signin if the user
-// accepts.
-class OneClickSigninDialogGtk {
- public:
-  // Deletes self on close.  The given callback will be called if the
-  // user confirms the dialog.
-  OneClickSigninDialogGtk(GtkWindow* parent_window,
-                          const OneClickAcceptCallback& accept_callback);
-
-  void SendResponseForTest(int response_id);
-  void SetUseDefaultSettingsForTest(bool use_default_settings);
-
- private:
-  ~OneClickSigninDialogGtk();
-
-  CHROMEGTK_CALLBACK_1(OneClickSigninDialogGtk, void, OnResponse, int);
-
-  GtkWidget* dialog_;
-  GtkWidget* use_default_settings_checkbox_;
-  const OneClickAcceptCallback accept_callback_;
-
-  DISALLOW_COPY_AND_ASSIGN(OneClickSigninDialogGtk);
-};
-
-#endif  // CHROME_BROWSER_UI_GTK_ONE_CLICK_SIGNIN_DIALOG_GTK_H_