Replace FOR_EACH_OBSERVER in chromeos/ with range-based for

chromeos/dbus/fake_session_manager_client.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 "chromeos/dbus/fake_session_manager_client.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_util.h"
@@ skipping 106 matching lines @@
       FROM_HERE,
       base::Bind(callback, device_local_account_policy_[account_id]));
 }
 
 void FakeSessionManagerClient::StoreDevicePolicy(
     const std::string& policy_blob,
     const StorePolicyCallback& callback) {
   device_policy_ = policy_blob;
   base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
                                                 base::Bind(callback, true));
-  FOR_EACH_OBSERVER(Observer, observers_, PropertyChangeComplete(true));
+  for (auto& observer : observers_)
+    observer.PropertyChangeComplete(true);
 }
 
 void FakeSessionManagerClient::StorePolicyForUser(
     const cryptohome::Identification& cryptohome_id,
     const std::string& policy_blob,
     const StorePolicyCallback& callback) {
   user_policies_[cryptohome_id] = policy_blob;
   base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
                                                 base::Bind(callback, true));
 }
@@ skipping 92 matching lines @@
                                                      : base::EmptyString();
 }
 
 void FakeSessionManagerClient::set_device_local_account_policy(
     const std::string& account_id,
     const std::string& policy_blob) {
   device_local_account_policy_[account_id] = policy_blob;
 }
 
 void FakeSessionManagerClient::OnPropertyChangeComplete(bool success) {
-  FOR_EACH_OBSERVER(Observer, observers_, PropertyChangeComplete(success));
+  for (auto& observer : observers_)
+    observer.PropertyChangeComplete(success);
 }
 
 }  // namespace chromeos