Cleanup: Remove unneeded browser_thread.h includes.

chrome/browser/media_galleries/win/mtp_device_object_enumerator.cc

 // Copyright (c) 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.
 //
 // MTPDeviceObjectEnumerator implementation.
 
 #include "chrome/browser/media_galleries/win/mtp_device_object_enumerator.h"
 
+#include "base/logging.h"
 #include "base/threading/thread_restrictions.h"
-#include "content/public/browser/browser_thread.h"
 
 MTPDeviceObjectEnumerator::MTPDeviceObjectEnumerator(
     const MTPDeviceObjectEntries& entries)
     : object_entries_(entries),
       index_(0U),
       is_index_ready_(false) {
   base::ThreadRestrictions::AssertIOAllowed();
 }
 
 MTPDeviceObjectEnumerator::~MTPDeviceObjectEnumerator() {
@@ skipping 40 matching lines @@
   return object_entries_[index_].object_id;
 }
 
 bool MTPDeviceObjectEnumerator::HasMoreEntries() const {
   return index_ < object_entries_.size();
 }
 
 bool MTPDeviceObjectEnumerator::IsIndexReadyAndInRange() const {
   return is_index_ready_ && HasMoreEntries();
 }