Reduce FOR_EACH_OBSERVER usage in ui/

ui/events/ozone/device/udev/device_manager_udev.cc

Index: ui/events/ozone/device/udev/device_manager_udev.cc
diff --git a/ui/events/ozone/device/udev/device_manager_udev.cc b/ui/events/ozone/device/udev/device_manager_udev.cc
index 47776dac215bf360a3d1e9359d69c9c238b470a3..2f8ee265653b98c012857fe162c501768801ef35 100644
--- a/ui/events/ozone/device/udev/device_manager_udev.cc
+++ b/ui/events/ozone/device/udev/device_manager_udev.cc
@@ -148,8 +148,8 @@ void DeviceManagerUdev::OnFileCanReadWithoutBlocking(int fd) {
 
   std::unique_ptr<DeviceEvent> event = ProcessMessage(device.get());
   if (event)
-    FOR_EACH_OBSERVER(
-        DeviceEventObserver, observers_, OnDeviceEvent(*event.get()));
+    for (DeviceEventObserver& observer : observers_)
+      observer.OnDeviceEvent(*event.get());
 }
 
 void DeviceManagerUdev::OnFileCanWriteWithoutBlocking(int fd) {