Remove all remaining traces of MessageLoopProxy.

content/browser/service_worker/service_worker_context_wrapper.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 "content/browser/service_worker/service_worker_context_wrapper.h"
 
 #include <map>
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 110 matching lines @@
     const base::FilePath& user_data_directory,
     storage::QuotaManagerProxy* quota_manager_proxy,
     storage::SpecialStoragePolicy* special_storage_policy) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   is_incognito_ = user_data_directory.empty();
   base::SequencedWorkerPool* pool = BrowserThread::GetBlockingPool();
   std::unique_ptr<ServiceWorkerDatabaseTaskManager> database_task_manager(
       new ServiceWorkerDatabaseTaskManagerImpl(pool));
   scoped_refptr<base::SingleThreadTaskRunner> disk_cache_thread =
-      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::CACHE);
+      BrowserThread::GetTaskRunnerForThread(BrowserThread::CACHE);
   InitInternal(user_data_directory, std::move(database_task_manager),
                disk_cache_thread, quota_manager_proxy, special_storage_policy);
 }
 
 void ServiceWorkerContextWrapper::Shutdown() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   storage_partition_ = nullptr;
   process_manager_->Shutdown();
   BrowserThread::PostTask(
@@ skipping 598 matching lines @@
   observer_list_->Notify(FROM_HERE,
                          &ServiceWorkerContextObserver::OnStorageWiped);
 }
 
 ServiceWorkerContextCore* ServiceWorkerContextWrapper::context() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   return context_core_.get();
 }
 
 }  // namespace content