Pass parsed ChangeList to GDataFileSystem.

chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.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_CHROMEOS_GDATA_GDATA_WAPI_FEED_LOADER_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_WAPI_FEED_LOADER_H_
 
 #include "base/callback.h"
 #include "base/file_path.h"
 #include "base/observer_list.h"
@@ skipping 193 matching lines @@
   // Callback for handling response from |GDataDocumentsService::GetDocuments|.
   // Invokes |callback| when done.
   void OnGetDocuments(
       ContentOrigin initial_origin,
       const LoadDocumentFeedCallback& callback,
       GetDocumentsParams* params,
       base::TimeTicks start_time,
       GDataErrorCode status,
       scoped_ptr<base::Value> data);
 
+  // Callback for handling response from |GDataDocumentsService::GetChanglist|.
+  // Invokes |callback| when done.
+  void OnGetChangelist(ContentOrigin initial_origin,
+                       const LoadDocumentFeedCallback& callback,
+                       GetDocumentsParams* params,
+                       base::TimeTicks start_time,
+                       GDataErrorCode status,
+                       scoped_ptr<base::Value> data);
+
   // Save filesystem to disk.
   void SaveFileSystem();
 
   // Callback for handling UI updates caused by document fetching.
   void OnNotifyDocumentFeedFetched(
       base::WeakPtr<GetDocumentsUiState> ui_state);
 
   GDataDirectoryService* directory_service_;  // Not owned.
   DocumentsServiceInterface* documents_service_;  // Not owned.
   DriveWebAppsRegistryInterface* webapps_registry_;  // Not owned.
   GDataCache* cache_;  // Not owned.
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
   ObserverList<Observer> observers_;
 
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<GDataWapiFeedLoader> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(GDataWapiFeedLoader);
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_WAPI_FEED_LOADER_H_