Fix up SequencedWorkerPool in preparation for making it a TaskRunner

webkit/dom_storage/dom_storage_task_runner.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 "webkit/dom_storage/dom_storage_task_runner.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/message_loop_proxy.h"
+#include "base/tracked_objects.h"
 
 namespace dom_storage {
 
 // DomStorageTaskRunner
 
 DomStorageTaskRunner::DomStorageTaskRunner(
-    base::MessageLoopProxy* message_loop)
+    const scoped_refptr<base::MessageLoopProxy>& message_loop)
     : message_loop_(message_loop) {
 }
 
 DomStorageTaskRunner::~DomStorageTaskRunner() {
 }
 
 void DomStorageTaskRunner::PostTask(
     const tracked_objects::Location& from_here,
     const base::Closure& task) {
   message_loop_->PostTask(from_here, task);
 }
 
 void DomStorageTaskRunner::PostDelayedTask(
     const tracked_objects::Location& from_here,
     const base::Closure& task,
     base::TimeDelta delay) {
   message_loop_->PostDelayedTask(from_here, task, delay.InMilliseconds());
 }
 
 // DomStorageWorkerPoolTaskRunner
 
 DomStorageWorkerPoolTaskRunner::DomStorageWorkerPoolTaskRunner(
-    base::SequencedWorkerPool* sequenced_worker_pool,
-    base::MessageLoopProxy* delayed_task_loop)
+    const scoped_refptr<base::SequencedWorkerPool>& sequenced_worker_pool,
+    const scoped_refptr<base::MessageLoopProxy>& delayed_task_loop)
     : DomStorageTaskRunner(delayed_task_loop),
       sequenced_worker_pool_(sequenced_worker_pool),
       sequence_token_(
           sequenced_worker_pool->GetNamedSequenceToken("dom_storage_token")) {
 }
 
 DomStorageWorkerPoolTaskRunner::~DomStorageWorkerPoolTaskRunner() {
 }
 
 void DomStorageWorkerPoolTaskRunner::PostTask(
@@ skipping 11 matching lines @@
     base::TimeDelta delay) {
   // Post a task to call this->PostTask() after the delay.
   message_loop_->PostDelayedTask(
       FROM_HERE,
       base::Bind(&DomStorageWorkerPoolTaskRunner::PostTask, this,
                  from_here, task),
       delay.InMilliseconds());
 }
 
 }  // namespace dom_storage