Implement a MoveCursorToScreenLocation for just the window manager.

services/ui/ws/window_tree.cc

Index: services/ui/ws/window_tree.cc
diff --git a/services/ui/ws/window_tree.cc b/services/ui/ws/window_tree.cc
index f6b07565db20bd0055f4b70277c7fd4e11e15e6f..5b7166a65fb5e5309f6f7e0959dd5edcb03a706a 100644
--- a/services/ui/ws/window_tree.cc
+++ b/services/ui/ws/window_tree.cc
@@ -2367,6 +2367,12 @@ void WindowTree::WmSetGlobalOverrideCursor(
   window_manager_state_->cursor_state().SetGlobalOverrideCursor(cursor);
 }
 
+void WindowTree::WmMoveCursorToDisplayLocation(const gfx::Point& display_pixels,
+                                               int64_t display_id) {
+  DCHECK(window_manager_state_);
+  window_manager_state_->SetCursorLocation(display_pixels, display_id);
+}
+
 void WindowTree::OnWmCreatedTopLevelWindow(uint32_t change_id,
                                            Id transport_window_id) {
   ServerWindow* window =