Add initial SHM-only Wayland Ozone implementation

ui/ozone/platform/wayland/ozone_platform_wayland.h

Index: ui/ozone/platform/wayland/ozone_platform_wayland.h
diff --git a/ui/ozone/platform/wayland/ozone_platform_wayland.h b/ui/ozone/platform/wayland/ozone_platform_wayland.h
new file mode 100644
index 0000000000000000000000000000000000000000..2eb802cd4665307ef8fc8f3561e1d8b62026369c
--- /dev/null
+++ b/ui/ozone/platform/wayland/ozone_platform_wayland.h
@@ -0,0 +1,17 @@
+// 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.
+
+#ifndef UI_OZONE_PLATFORM_DRM_OZONE_PLATFORM_WAYLAND_H_
+#define UI_OZONE_PLATFORM_DRM_OZONE_PLATFORM_WAYLAND_H_
+
+namespace ui {
+
+class OzonePlatform;
+
+// Constructor hook for use in ozone_platform_list.cc
+OzonePlatform* CreateOzonePlatformWayland();
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PLATFORM_DRM_OZONE_PLATFORM_WAYLAND_H_