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

services/ui/ws/test_change_tracker.h

Index: services/ui/ws/test_change_tracker.h
diff --git a/services/ui/ws/test_change_tracker.h b/services/ui/ws/test_change_tracker.h
index 6fa86118a88ae95d71d3ad11304bfe4c6b2f4b07..56bed482b97fc79e64dd71ae2971409eb735c44e 100644
--- a/services/ui/ws/test_change_tracker.h
+++ b/services/ui/ws/test_change_tracker.h
@@ -35,7 +35,7 @@ enum ChangeType {
   CHANGE_TYPE_NODE_DRAWN_STATE_CHANGED,
   CHANGE_TYPE_NODE_DELETED,
   CHANGE_TYPE_INPUT_EVENT,
-  CHANGE_TYPE_EVENT_OBSERVED,
+  CHANGE_TYPE_POINTER_WATCHER_EVENT,
   CHANGE_TYPE_PROPERTY_CHANGED,
   CHANGE_TYPE_FOCUSED,
   CHANGE_TYPE_CURSOR_CHANGED,
@@ -78,7 +78,7 @@ struct Change {
   gfx::Rect bounds;
   gfx::Rect bounds2;
   int32_t event_action;
-  uint32_t event_observer_id;
+  uint32_t pointer_watcher_id;
   mojo::String embed_url;
   mojom::OrderDirection direction;
   bool bool_value;
@@ -157,8 +157,9 @@ class TestChangeTracker {
   void OnWindowParentDrawnStateChanged(Id window_id, bool drawn);
   void OnWindowInputEvent(Id window_id,
                           const ui::Event& event,
-                          uint32_t event_observer_id);
-  void OnEventObserved(const ui::Event& event, uint32_t event_observer_id);
+                          uint32_t pointer_watcher_id);
+  void OnPointerWatcherEvent(const ui::Event& event,
+                             uint32_t pointer_watcher_id);
   void OnWindowSharedPropertyChanged(Id window_id,
                                      mojo::String name,
                                      mojo::Array<uint8_t> data);