Replace FOR_EACH_OBSERVER in chromeos/ with range-based for

chromeos/dbus/fake_update_engine_client.cc

 // Copyright (c) 2012 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 "chromeos/dbus/fake_update_engine_client.h"
 
 #include "base/bind.h"
 #include "base/threading/thread_task_runner_handle.h"
 
 namespace chromeos {
@@ skipping 48 matching lines @@
   if (status_queue_.empty())
     return default_status_;
 
   UpdateEngineClient::Status last_status = status_queue_.front();
   status_queue_.pop();
   return last_status;
 }
 
 void FakeUpdateEngineClient::NotifyObserversThatStatusChanged(
     const UpdateEngineClient::Status& status) {
-  FOR_EACH_OBSERVER(Observer, observers_, UpdateStatusChanged(status));
+  for (auto& observer : observers_)
+    observer.UpdateStatusChanged(status);
 }
 
 void FakeUpdateEngineClient::SetChannel(const std::string& target_channel,
                                         bool is_powerwash_allowed) {
 }
 
 void FakeUpdateEngineClient::GetChannel(bool get_current_channel,
                                         const GetChannelCallback& callback) {
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(callback, std::string()));
@@ skipping 10 matching lines @@
     const UpdateEngineClient::Status& status) {
   default_status_ = status;
 }
 
 void FakeUpdateEngineClient::set_update_check_result(
     const UpdateEngineClient::UpdateCheckResult& result) {
   update_check_result_ = result;
 }
 
 }  // namespace chromeos