third_party: Add wayland_drm_protocol target to third_party/mesa.

third_party/mesa/mesa.gyp

 # 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.
 
 {
   'variables': {
     'generated_src_dir': 'src/chromium_gensrc',
   },
   'target_defaults': {
     'defines': [
@@ skipping 744 matching lines @@
               'action': [
                 'cp',
                 '<(PRODUCT_DIR)/libosmesa.so',
                 '<(SHARED_LIB_DIR)/libosmesa.so',
               ],
             },
           ],
         },
       ],
     }],
+    [ 'OS=="linux"', {
+      'targets': [
+        {
+          'target_name': 'wayland_drm_protocol',
+          'type': 'static_library',
+          'dependencies' : [
+            '../wayland/wayland.gyp:wayland_util',
+          ],
+          'include_dirs': [
+            '<(generated_src_dir)/egl/wayland/wayland-drm',
+          ],
+          'sources': [
+            '<(generated_src_dir)/egl/wayland/wayland-drm/wayland-drm-client-protocol.h',
+            '<(generated_src_dir)/egl/wayland/wayland-drm/wayland-drm-protocol.c',
+            '<(generated_src_dir)/egl/wayland/wayland-drm/wayland-drm-server-protocol.h',
+          ],
+          'direct_dependent_settings': {
+            'include_dirs': [
+              '<(generated_src_dir)/egl/wayland/wayland-drm',
+            ],
+          },
+        },
+      ],
+    }],
   ],
 }