Remove use of deprecated MessageLoop methods in extensions.

extensions/browser/api/hid/hid_device_manager.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 "extensions/browser/api/hid/hid_device_manager.h"
 
 #include <stdint.h>
 
 #include <limits>
 #include <utility>
 #include <vector>
 
 #include "base/lazy_instance.h"
+#include "base/location.h"
 #include "base/memory/ptr_util.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "device/core/device_client.h"
 #include "device/hid/hid_device_filter.h"
 #include "device/hid/hid_service.h"
 #include "extensions/browser/api/device_permissions_manager.h"
 #include "extensions/common/permissions/permissions_data.h"
 #include "extensions/common/permissions/usb_device_permission.h"
 
 namespace hid = extensions::api::hid;
 
 using device::HidDeviceFilter;
@@ skipping 92 matching lines @@
 void HidDeviceManager::GetApiDevices(
     const Extension* extension,
     const std::vector<HidDeviceFilter>& filters,
     const GetApiDevicesCallback& callback) {
   DCHECK(thread_checker_.CalledOnValidThread());
   LazyInitialize();
 
   if (enumeration_ready_) {
     std::unique_ptr<base::ListValue> devices =
         CreateApiDeviceList(extension, filters);
-    base::MessageLoop::current()->PostTask(
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE, base::Bind(callback, base::Passed(&devices)));
   } else {
     pending_enumerations_.push_back(base::WrapUnique(
         new GetApiDevicesParams(extension, filters, callback)));
   }
 }
 
 std::unique_ptr<base::ListValue> HidDeviceManager::GetApiDevicesFromList(
     const std::vector<scoped_refptr<HidDeviceInfo>>& devices) {
   DCHECK(thread_checker_.CalledOnValidThread());
@@ skipping 194 matching lines @@
     std::unique_ptr<base::ListValue> event_args,
     scoped_refptr<HidDeviceInfo> device_info) {
   std::unique_ptr<Event> event(
       new Event(histogram_value, event_name, std::move(event_args)));
   event->will_dispatch_callback = base::Bind(
       &WillDispatchDeviceEvent, weak_factory_.GetWeakPtr(), device_info);
   event_router_->BroadcastEvent(std::move(event));
 }
 
 }  // namespace extensions