Re-land: third_party: Add missing scaler.xml file.

third_party/wayland-protocols/protocol/scaler-protocol.c

Index: third_party/wayland-protocols/protocol/scaler-protocol.c
diff --git a/third_party/wayland-protocols/protocol/scaler-protocol.c b/third_party/wayland-protocols/protocol/scaler-protocol.c
index 54473261b5cc128898ff822f31a003659a296dae..861b312641ab82c96eba478764e11de572d2edb5 100644
--- a/third_party/wayland-protocols/protocol/scaler-protocol.c
+++ b/third_party/wayland-protocols/protocol/scaler-protocol.c
@@ -1,17 +1,17 @@
-/* 
+/*
  * Copyright © 2013-2014 Collabora, Ltd.
- * 
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
@@ -25,8 +25,8 @@
 #include <stdint.h>
 #include "wayland-util.h"
 
-extern const struct wl_interface wl_viewport_interface;
 extern const struct wl_interface wl_surface_interface;
+extern const struct wl_interface wl_viewport_interface;
 
 static const struct wl_interface *types[] = {
 	NULL,