ozone/platform/wayland: Implement keyboard handling

ui/ozone/platform/wayland/wayland_display.h

Index: ui/ozone/platform/wayland/wayland_display.h
diff --git a/ui/ozone/platform/wayland/wayland_display.h b/ui/ozone/platform/wayland/wayland_display.h
index eb72c9ccf075e2be2452da465fd775317b32030f..57c93ea437f1ea8f7f4134efe4d76f205aa3127e 100644
--- a/ui/ozone/platform/wayland/wayland_display.h
+++ b/ui/ozone/platform/wayland/wayland_display.h
@@ -10,9 +10,14 @@
 #include "base/message_loop/message_pump_libevent.h"
 #include "ui/events/platform/platform_event_source.h"
 #include "ui/gfx/native_widget_types.h"
+#include "ui/ozone/platform/wayland/wayland_keyboard.h"
 #include "ui/ozone/platform/wayland/wayland_object.h"
 #include "ui/ozone/platform/wayland/wayland_pointer.h"
 
+#if defined(USE_XKBCOMMON)
+#include "ui/events/ozone/layout/xkb/xkb_evdev_codes.h"
+#endif
+
 namespace ui {
 
 class WaylandWindow;
@@ -74,11 +79,16 @@ class WaylandDisplay : public PlatformEventSource,
   wl::Object<xdg_shell> shell_;
 
   scoped_ptr<WaylandPointer> pointer_;
+  scoped_ptr<WaylandKeyboard> keyboard_;
 
   bool scheduled_flush_ = false;
   bool watching_ = false;
   base::MessagePumpLibevent::FileDescriptorWatcher controller_;
 
+#if defined(USE_XKBCOMMON)
+  XkbEvdevCodes codes_;
+#endif
+
   DISALLOW_COPY_AND_ASSIGN(WaylandDisplay);
 };