Remove all remaining traces of MessageLoopProxy.

components/storage_monitor/storage_monitor_linux.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.
 
 // StorageMonitorLinux implementation.
 
 #include "components/storage_monitor/storage_monitor_linux.h"
 
 #include <mntent.h>
 #include <stdint.h>
@@ skipping 250 matching lines @@
       BrowserThread::FILE, FROM_HERE,
       base::Bind(&CreateMtabWatcherLinuxOnFileThread,
                  mtab_path_,
                  weak_ptr_factory_.GetWeakPtr()),
       base::Bind(&StorageMonitorLinux::OnMtabWatcherCreated,
                  weak_ptr_factory_.GetWeakPtr()));
 
   if (!media_transfer_protocol_manager_) {
     media_transfer_protocol_manager_.reset(
         device::MediaTransferProtocolManager::Initialize(
-            BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE)));
+            BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE)));
   }
 
   media_transfer_protocol_device_observer_.reset(
       new MediaTransferProtocolDeviceObserverLinux(
           receiver(), media_transfer_protocol_manager_.get()));
 }
 
 bool StorageMonitorLinux::GetStorageInfoForPath(
     const base::FilePath& path,
     StorageInfo* device_info) const {
@@ skipping 222 matching lines @@
   mount_priority_map_[mount_device][mount_point] = removable;
   receiver()->ProcessAttach(*storage_info);
 }
 
 StorageMonitor* StorageMonitor::CreateInternal() {
   const base::FilePath kDefaultMtabPath("/etc/mtab");
   return new StorageMonitorLinux(kDefaultMtabPath);
 }
 
 }  // namespace storage_monitor