[SyncFS] Drop PostTaskAndReply from LocalToRemoteSyncer (5)

chrome/browser/sync_file_system/drive_backend/remote_to_local_syncer.cc

 // Copyright 2013 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/drive_backend/remote_to_local_syncer.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/format_macros.h"
 #include "base/location.h"
@@ skipping 56 matching lines @@
 }
 
 scoped_ptr<FileMetadata> GetFileMetadata(MetadataDatabase* database,
                                          const std::string& file_id) {
   scoped_ptr<FileMetadata> metadata(new FileMetadata);
   if (!database->FindFileByFileID(file_id, metadata.get()))
     metadata.reset();
   return metadata.Pass();
 }
 
-template <typename R, typename S, typename T>
-R ComposeFunction(const base::Callback<T()>& g,
-                  const base::Callback<R(S)>& f) {
-  return f.Run(g.Run());
-}
-
-template <typename R, typename S, typename T>
-base::Callback<R()> CreateComposedFunction(
-    const base::Callback<T()>& g,
-    const base::Callback<R(S)>& f) {
-  return base::Bind(&ComposeFunction<R, S, T>, g, f);
-}
-
 }  // namespace
 
 RemoteToLocalSyncer::RemoteToLocalSyncer(SyncEngineContext* sync_context)
     : sync_context_(sync_context),
       sync_action_(SYNC_ACTION_NONE),
       prepared_(false),
       sync_root_deletion_(false),
       weak_ptr_factory_(this) {
 }
 
@@ skipping 694 matching lines @@
   return sync_context_->GetMetadataDatabase();
 }
 
 RemoteChangeProcessor* RemoteToLocalSyncer::remote_change_processor() {
   DCHECK(sync_context_->GetRemoteChangeProcessor());
   return sync_context_->GetRemoteChangeProcessor();
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system