Cleanup: Remove unneeded browser_thread.h includes.

chrome/browser/chromeos/file_manager/mounted_disk_monitor.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 "chrome/browser/chromeos/file_manager/mounted_disk_monitor.h"
 
 #include "base/bind.h"
+#include "base/location.h"
+#include "base/message_loop/message_loop_proxy.h"
 #include "chromeos/dbus/power_manager_client.h"
-#include "content/public/browser/browser_thread.h"
 
 using chromeos::disks::DiskMountManager;
 
 namespace file_manager {
 namespace {
 
 // Time span of the resuming process. All unmount events sent during this
 // time are considered as being part of remounting process, since remounting
 // is done just after resuming.
 const base::TimeDelta kResumingTimeSpan = base::TimeDelta::FromSeconds(5);
@@ skipping 89 matching lines @@
     chromeos::FormatError error_code,
     const std::string& device_path) {
 }
 
 void MountedDiskMonitor::Reset() {
   unmounted_while_resuming_.clear();
   is_resuming_ = false;
 }
 
 }  // namespace file_manager