mus: Change PointerWatcher to observe all pointer events, with moves optional.

services/ui/public/cpp/tests/window_server_test_base.h

Index: services/ui/public/cpp/tests/window_server_test_base.h
diff --git a/services/ui/public/cpp/tests/window_server_test_base.h b/services/ui/public/cpp/tests/window_server_test_base.h
index 0fb403b121eed379a62515a5621ec7cbdf2a050f..76e5b6a7386f4624fceb092e3590b8eb2bc62f2d 100644
--- a/services/ui/public/cpp/tests/window_server_test_base.h
+++ b/services/ui/public/cpp/tests/window_server_test_base.h
@@ -68,7 +68,8 @@ class WindowServerTestBase
   // WindowTreeClientDelegate:
   void OnEmbed(Window* root) override;
   void OnDidDestroyClient(WindowTreeClient* client) override;
-  void OnEventObserved(const ui::Event& event, Window* target) override;
+  void OnPointerEventObserved(const ui::PointerEvent& event,
+                              Window* target) override;
 
   // WindowManagerDelegate:
   void SetWindowManagerClient(WindowManagerClient* client) override;