SyncFS: Do not dereference scoped_ptr<Param> after we pass in StartOverRemoteSync

chrome/browser/sync_file_system/drive_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/drive_file_sync_service.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 
@@ skipping 1910 matching lines @@
       FileChange(FileChange::FILE_CHANGE_ADD_OR_UPDATE, SYNC_FILE_TYPE_FILE),
       base::Bind(&DriveFileSyncService::DidResolveConflictToLocalChange,
                  AsWeakPtr(), base::Passed(&param)));
 }
 
 void DriveFileSyncService::StartOverRemoteSync(
     scoped_ptr<ProcessRemoteChangeParam> param,
     SyncStatusCode status) {
   DCHECK(param);
   SyncFileMetadata& local_metadata = param->local_metadata;
-  pending_tasks_.push_front(base::Bind(
-      &DriveFileSyncService::DidPrepareForProcessRemoteChange,
-      AsWeakPtr(), base::Passed(&param), status,
-      local_metadata, FileChangeList()));
-  param->token->ResetTask(FROM_HERE);
-  NotifyTaskDone(status, param->token.Pass());
+  DidPrepareForProcessRemoteChange(
+      param.Pass(), status, local_metadata, FileChangeList());
 }
 
 bool DriveFileSyncService::AppendRemoteChange(
     const GURL& origin,
     const google_apis::ResourceEntry& entry,
     int64 changestamp,
     RemoteSyncType sync_type) {
   // TODO(tzik): Normalize the path here.
   base::FilePath path = base::FilePath::FromUTF8Unsafe(entry.title());
   if (entry.is_folder())
@@ skipping 518 matching lines @@
       pending_batch_sync_origins_.insert(origin);
   }
   callback.Run(status, resource_id);
 }
 
 std::string DriveFileSyncService::sync_root_resource_id() {
   return metadata_store_->sync_root_directory();
 }
 
 }  // namespace sync_file_system