ozone/platform/wayland: Implement pointer 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 ac0191dc552147281f7dea8b14699ab2adb471dd..3637dfb503d474b003a44b8a7d6a9b1203746d42 100644
--- a/ui/ozone/platform/wayland/wayland_display.h
+++ b/ui/ozone/platform/wayland/wayland_display.h
@@ -11,6 +11,7 @@
 #include "ui/events/platform/platform_event_source.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/ozone/platform/wayland/wayland_object.h"
+#include "ui/ozone/platform/wayland/wayland_pointer.h"
 
 namespace ui {
 
@@ -37,6 +38,8 @@ class WaylandDisplay : public PlatformEventSource,
   void RemoveWindow(WaylandWindow* window);
 
  private:
+  void DispatchUiEvent(Event* event);
+
   // PlatformEventSource
   void OnDispatcherListChanged() override;
 
@@ -52,6 +55,10 @@ class WaylandDisplay : public PlatformEventSource,
                      uint32_t version);
   static void GlobalRemove(void* data, wl_registry* registry, uint32_t name);
 
+  // wl_seat_listener
+  static void Capabilities(void* data, wl_seat* seat, uint32_t capabilities);
+  static void Name(void* data, wl_seat* seat, const char* name);
+
   // xdg_shell_listener
   static void Ping(void* data, xdg_shell* shell, uint32_t serial);
 
@@ -60,9 +67,12 @@ class WaylandDisplay : public PlatformEventSource,
   wl::Object<wl_display> display_;
   wl::Object<wl_registry> registry_;
   wl::Object<wl_compositor> compositor_;
+  wl::Object<wl_seat> seat_;
   wl::Object<wl_shm> shm_;
   wl::Object<xdg_shell> shell_;
 
+  scoped_ptr<WaylandPointer> pointer_;
+
   bool watching_ = false;
   base::MessagePumpLibevent::FileDescriptorWatcher controller_;