Remove usage of FOR_EACH_OBSERVER macro in device/

device/hid/hid_service.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 "device/hid/hid_service.h"
 
 #include "base/at_exit.h"
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
@@ skipping 85 matching lines @@
 
     HID_LOG(USER) << "HID device "
                   << (enumeration_ready_ ? "added" : "detected")
                   << ": vendorId=" << device_info->vendor_id()
                   << ", productId=" << device_info->product_id() << ", name='"
                   << device_info->product_name() << "', serial='"
                   << device_info->serial_number() << "', deviceId='"
                   << device_info->device_id() << "'";
 
     if (enumeration_ready_) {
-      FOR_EACH_OBSERVER(Observer, observer_list_, OnDeviceAdded(device_info));
+      for (auto& observer : observer_list_)
+        observer.OnDeviceAdded(device_info);
     }
   }
 }
 
 void HidService::RemoveDevice(const HidDeviceId& device_id) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DeviceMap::iterator it = devices_.find(device_id);
   if (it != devices_.end()) {
     HID_LOG(USER) << "HID device removed: deviceId='" << device_id << "'";
 
     scoped_refptr<HidDeviceInfo> device = it->second;
     if (enumeration_ready_) {
-      FOR_EACH_OBSERVER(Observer, observer_list_, OnDeviceRemoved(device));
+      for (auto& observer : observer_list_)
+        observer.OnDeviceRemoved(device);
     }
     devices_.erase(it);
     if (enumeration_ready_) {
-      FOR_EACH_OBSERVER(Observer, observer_list_,
-                        OnDeviceRemovedCleanup(device));
+      for (auto& observer : observer_list_)
+        observer.OnDeviceRemovedCleanup(device);
     }
   }
 }
 
 void HidService::FirstEnumerationComplete() {
   enumeration_ready_ = true;
 
   if (!pending_enumerations_.empty()) {
     std::vector<scoped_refptr<HidDeviceInfo>> devices;
     for (const auto& map_entry : devices_) {
       devices.push_back(map_entry.second);
     }
 
     for (const GetDevicesCallback& callback : pending_enumerations_) {
       callback.Run(devices);
     }
     pending_enumerations_.clear();
   }
 }
 
 }  // namespace device