signin: pull basic SigninManager functionality into new SigninManagerBase class.

chrome/browser/sync/sync_ui_util.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_SYNC_SYNC_UI_UTIL_H_
 #define CHROME_BROWSER_SYNC_SYNC_UI_UTIL_H_
 
 #include "base/string16.h"
 
 class ProfileSyncService;
-class SigninManager;
+class SigninManagerBase;
 
 // Utility functions to gather current sync status information from the sync
 // service and constructs messages suitable for showing in UI.
 namespace sync_ui_util {
 
 enum MessageType {
   PRE_SYNCED,  // User has not set up sync.
   SYNCED,      // We are synced and authenticated to a gmail account.
   SYNC_ERROR,  // A sync error (such as invalid credentials) has occurred.
   SYNC_PROMO,  // A situation has occurred which should be brought to the user's
                // attention, but not as an error.
 };
 
 enum StatusLabelStyle {
   PLAIN_TEXT,  // Label will be plain-text only.
   WITH_HTML    // Label may contain an HTML-formatted link.
 };
 
 // TODO(akalin): audit the use of ProfileSyncService* service below,
 // and use const ProfileSyncService& service where possible.
 
 // Create status and link labels for the current status labels and link text
 // by querying |service|.
 // |style| sets the link properties, see |StatusLabelStyle|.
 MessageType GetStatusLabels(ProfileSyncService* service,
-                            const SigninManager& signin,
+                            const SigninManagerBase& signin,
                             StatusLabelStyle style,
                             string16* status_label,
                             string16* link_label);
 
 // Same as above but for use specifically on the New Tab Page.
 // |status_label| may contain an HTML-formatted link.
 MessageType GetStatusLabelsForNewTabPage(ProfileSyncService* service,
-                                         const SigninManager& signin,
+                                         const SigninManagerBase& signin,
                                          string16* status_label,
                                          string16* link_label);
 
 // Gets various labels for the sync global error based on the sync error state.
 // |menu_item_label|, |bubble_message|, and |bubble_accept_label| must not be
 // NULL.
 void GetStatusLabelsForSyncGlobalError(ProfileSyncService* service,
-                                       const SigninManager& signin,
+                                       const SigninManagerBase& signin,
                                        string16* menu_item_label,
                                        string16* bubble_message,
                                        string16* bubble_accept_label);
 
-MessageType GetStatus(ProfileSyncService* service, const SigninManager& signin);
+MessageType GetStatus(ProfileSyncService* service,
+                      const SigninManagerBase& signin);
 
 }  // namespace sync_ui_util
 #endif  // CHROME_BROWSER_SYNC_SYNC_UI_UTIL_H_