Remove FOR_EACH_OBSERVER macro usage in chrome/browser/sync_file_system

chrome/browser/sync_file_system/mock_remote_file_sync_service.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 "chrome/browser/sync_file_system/mock_remote_file_sync_service.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 39 matching lines @@
 void MockRemoteFileSyncService::DumpDatabase(const ListCallback& callback) {
   callback.Run(nullptr);
 }
 
 void MockRemoteFileSyncService::SetServiceState(RemoteServiceState state) {
   state_ = state;
 }
 
 void MockRemoteFileSyncService::NotifyRemoteChangeQueueUpdated(
     int64_t pending_changes) {
-  FOR_EACH_OBSERVER(Observer, service_observers_,
-                    OnRemoteChangeQueueUpdated(pending_changes));
+  for (auto& observer : service_observers_)
+    observer.OnRemoteChangeQueueUpdated(pending_changes);
 }
 
 void MockRemoteFileSyncService::NotifyRemoteServiceStateUpdated(
     RemoteServiceState state,
     const std::string& description) {
-  FOR_EACH_OBSERVER(Observer, service_observers_,
-                    OnRemoteServiceStateUpdated(state, description));
+  for (auto& observer : service_observers_)
+    observer.OnRemoteServiceStateUpdated(state, description);
 }
 
 void MockRemoteFileSyncService::NotifyFileStatusChanged(
     const storage::FileSystemURL& url,
     SyncFileType file_type,
     SyncFileStatus sync_status,
     SyncAction action_taken,
     SyncDirection direction) {
-  FOR_EACH_OBSERVER(FileStatusObserver, file_status_observers_,
-                    OnFileStatusChanged(url, file_type, sync_status,
-                                        action_taken, direction));
+  for (auto& observer : file_status_observers_) {
+    observer.OnFileStatusChanged(url, file_type, sync_status, action_taken,
+                                 direction);
+  }
 }
 
 void MockRemoteFileSyncService::AddServiceObserverStub(Observer* observer) {
   service_observers_.AddObserver(observer);
 }
 
 void MockRemoteFileSyncService::AddFileStatusObserverStub(
     FileStatusObserver* observer) {
   file_status_observers_.AddObserver(observer);
 }
@@ skipping 21 matching lines @@
       FROM_HERE,
       base::Bind(
           callback, SYNC_STATUS_NO_CHANGE_TO_SYNC, storage::FileSystemURL()));
 }
 
 RemoteServiceState MockRemoteFileSyncService::GetCurrentStateStub() const {
   return state_;
 }
 
 }  // namespace sync_file_system