Implement SyncFileSystemService::GetFileSyncStatus method

chrome/browser/sync_file_system/local_file_sync_service.cc

 // 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.
 
 #include "chrome/browser/sync_file_system/local_file_sync_service.h"
 
 #include "base/stl_util.h"
 #include "chrome/browser/sync_file_system/local_change_processor.h"
 #include "content/public/browser/browser_thread.h"
 #include "googleurl/src/gurl.h"
@@ skipping 122 matching lines @@
   }
   DCHECK(!origin.is_empty());
   DCHECK(ContainsKey(origin_to_contexts_, origin));
 
   sync_context_->GetFileForLocalSync(
       origin_to_contexts_[origin],
       base::Bind(&LocalFileSyncService::DidGetFileForLocalSync,
                  AsWeakPtr(), processor));
 }
 
+void LocalFileSyncService::HasPendingLocalChanges(
+    const fileapi::FileSystemURL& url,
+    const HasPendingLocalChangeCallback& callback) {
+  DCHECK(ContainsKey(origin_to_contexts_, url.origin()));
+  sync_context_->HasPendingLocalChanges(
+      origin_to_contexts_[url.origin()], url, callback);
+}
+
 void LocalFileSyncService::GetLocalFileMetadata(
     const fileapi::FileSystemURL& url,
     const SyncFileMetadataCallback& callback) {
   DCHECK(ContainsKey(origin_to_contexts_, url.origin()));
   sync_context_->GetFileMetadata(origin_to_contexts_[url.origin()],
                                  url, callback);
 }
 
 void LocalFileSyncService::PrepareForProcessRemoteChange(
     const FileSystemURL& url,
@@ skipping 122 matching lines @@
       changes.front(),
       sync_file_info.local_file_path,
       sync_file_info.metadata,
       url,
       base::Bind(&LocalFileSyncService::ProcessNextChangeForURL,
                  AsWeakPtr(), processor, sync_file_info,
                  changes.front(), changes.PopAndGetNewList()));
 }
 
 }  // namespace sync_file_system