Remove calls to deprecated MessageLoop methods in components.

components/storage_monitor/storage_monitor_chromeos_unittest.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 "components/storage_monitor/storage_monitor_chromeos.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <utility>
@@ skipping 239 matching lines @@
 // static
 void StorageMonitorCrosTest::PostQuitToUIThread() {
   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
                           base::MessageLoop::QuitWhenIdleClosure());
 }
 
 // static
 void StorageMonitorCrosTest::WaitForFileThread() {
   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
                           base::Bind(&PostQuitToUIThread));
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 }
 
 void StorageMonitorCrosTest::EjectNotify(StorageMonitor::EjectStatus status) {
   status_ = status;
 }
 
 // Simple test case where we attach and detach a media device.
 TEST_F(StorageMonitorCrosTest, BasicAttachDetach) {
   base::FilePath mount_path1 = CreateMountPoint(kMountPointA, true);
   ASSERT_FALSE(mount_path1.empty());
@@ skipping 279 matching lines @@
                         base::Bind(&StorageMonitorCrosTest::EjectNotify,
                                    base::Unretained(this)));
   base::RunLoop().RunUntilIdle();
 
   EXPECT_EQ(StorageMonitor::EJECT_OK, status_);
 }
 
 }  // namespace
 
 }  // namespace storage_monitor