[Sync] Move change-related methods out of SyncManager::Observer

chrome/browser/sync/profile_sync_service.h

 // Copyright (c) 2011 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_PROFILE_SYNC_SERVICE_H_
 #define CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_
 #pragma once
 
 #include <string>
 
@@ skipping 363 matching lines @@
   // this info to that class, and remove these functions.
 
   virtual const browser_sync::sessions::SyncSessionSnapshot*
       GetLastSessionSnapshot() const;
 
   // Returns whether or not the underlying sync engine has made any
   // local changes to items that have not yet been synced with the
   // server.
   bool HasUnsyncedItems() const;
 
-  // Logs the current unsynced items in the sync database. Useful for debugging.
-  void LogUnsyncedItems(int level) const;
-
   // Used by ProfileSyncServiceHarness.  May return NULL.
   browser_sync::BackendMigrator* GetBackendMigratorForTest();
 
   // Get the current routing information for all enabled model types.
   // If a model type is not enabled (that is, if the syncer should not
   // be trying to sync it), it is not in this map.
   //
   // TODO(akalin): This function is used by
   // sync_ui_util::ConstructAboutInformation() and by some test
   // classes.  Figure out a different way to expose this info and
@@ skipping 277 matching lines @@
   browser_sync::SyncProtocolError last_actionable_error_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileSyncService);
 };
 
 bool ShouldShowActionOnUI(
     const browser_sync::SyncProtocolError& error);
 
 
 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_