Add initial SHM-only Wayland Ozone implementation

ui/ozone/platform/wayland/wayland.gypi

+# Copyright 2016 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': {
+    'internal_ozone_platform_deps': [
+      'ozone_platform_wayland',
+    ],
+    'internal_ozone_platforms': [
+      'wayland'
+    ],
+  },
+  'targets': [
+    {
+      'target_name': 'ozone_platform_wayland',
+      'type': 'static_library',
+      'defines': [
+        'OZONE_IMPLEMENTATION',
+      ],
+      'dependencies': [
+        '../../base/base.gyp:base',
+        '../../skia/skia.gyp:skia',
+        '../../third_party/wayland-protocols/wayland-protocols.gyp:xdg_shell_protocol',
+        '../../third_party/wayland/wayland.gyp:wayland_client',
+        '../events/platform/events_platform.gyp:events_platform',
+      ],
+      'sources': [
+        "client_native_pixmap_factory_wayland.cc",
+        "client_native_pixmap_factory_wayland.h",
+        "ozone_platform_wayland.cc",
+        "ozone_platform_wayland.h",
+        "wayland_display.cc",
+        "wayland_display.h",
+        "wayland_object.h",
+        "wayland_surface_factory.cc",
+        "wayland_surface_factory.h",
+        "wayland_window.cc",
+        "wayland_window.h",
+      ],
+    },
+  ],
+}