ozone/platform/wayland: Implement pointer handling

ui/ozone/platform/wayland/BUILD.gn

Index: ui/ozone/platform/wayland/BUILD.gn
diff --git a/ui/ozone/platform/wayland/BUILD.gn b/ui/ozone/platform/wayland/BUILD.gn
index bc8b37e9b9e3f29368e738d1bb7b8c16e9f64ea3..d9554b18d16ca7013f659fabdeaad3cd1622abd8 100644
--- a/ui/ozone/platform/wayland/BUILD.gn
+++ b/ui/ozone/platform/wayland/BUILD.gn
@@ -12,6 +12,8 @@ source_set("wayland") {
     "wayland_display.h",
     "wayland_object.cc",
     "wayland_object.h",
+    "wayland_pointer.cc",
+    "wayland_pointer.h",
     "wayland_surface_factory.cc",
     "wayland_surface_factory.h",
     "wayland_window.cc",
@@ -23,6 +25,7 @@ source_set("wayland") {
     "//skia",
     "//third_party/wayland:wayland_client",
     "//third_party/wayland-protocols:xdg_shell_protocol",
+    "//ui/events",
     "//ui/events/platform",
     "//ui/gfx",
     "//ui/gfx/geometry",
@@ -41,6 +44,7 @@ source_set("wayland_unittests") {
     "fake_server.h",
     "mock_platform_window_delegate.cc",
     "wayland_display_unittest.cc",
+    "wayland_pointer_unittest.cc",
     "wayland_surface_factory_unittest.cc",
     "wayland_window_unittest.cc",
   ]
@@ -54,4 +58,6 @@ source_set("wayland_unittests") {
     "//ui/gfx:test_support",
     "//ui/ozone:platform",
   ]
+
+  defines = [ "WL_HIDE_DEPRECATED" ]
 }