exo: Add support for wl_drm version 2 to wayland bindings.

components/exo.gypi

 # Copyright 2015 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.
 
 {
   'targets': [
     {
       # GN version: //components/exo
       'target_name': 'exo',
       'type': 'static_library',
@@ skipping 48 matching lines @@
             '../third_party/wayland/wayland.gyp:wayland_server',
             'exo',
           ],
           'sources': [
             # Note: sources list duplicated in GN build.
             'exo/wayland/scoped_wl_types.cc',
             'exo/wayland/scoped_wl_types.h',
             'exo/wayland/server.cc',
             'exo/wayland/server.h',
           ],
+          'conditions': [
+            ['use_ozone==1', {
+              'dependencies': [
+                '../third_party/mesa/mesa.gyp:wayland_drm_protocol',
+              ],
+            }],
+          ],
         },
       ],
     }],
   ],
 }