FileAPI/sync file system cleanups for scoped_refptr operator T* cleanup.

chrome/browser/sync_file_system/drive_backend/sync_task_manager.cc

 // Copyright 2014 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/sync_task_manager.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/sequenced_task_runner.h"
@@ skipping 37 matching lines @@
     const PendingTask& left,
     const PendingTask& right) const {
   if (left.priority != right.priority)
     return left.priority < right.priority;
   return left.seq > right.seq;
 }
 
 SyncTaskManager::SyncTaskManager(
     base::WeakPtr<Client> client,
     size_t maximum_background_task,
-    base::SequencedTaskRunner* task_runner)
+    const scoped_refptr<base::SequencedTaskRunner>& task_runner)
     : client_(client),
       maximum_background_task_(maximum_background_task),
       pending_task_seq_(0),
       task_token_seq_(SyncTaskToken::kMinimumBackgroundTaskTokenID),
       task_runner_(task_runner) {
 }
 
 SyncTaskManager::~SyncTaskManager() {
   client_.reset();
   token_.reset();
@@ skipping 325 matching lines @@
     closure.Run();
     return;
   }
 
   if (client_)
     client_->MaybeScheduleNextTask();
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system