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 6e8ca14a421a5a729f2a2af57c3b8458ef08f10f..588ead4c92a91733b9a5d33700884699816df5b2 100644
--- a/services/ui/ws/window_tree.cc
+++ b/services/ui/ws/window_tree.cc
@@ -2326,6 +2326,16 @@ void WindowTree::WmSetGlobalOverrideCursor(
   window_manager_state_->cursor_state().SetGlobalOverrideCursor(cursor);
 }
 
+void WindowTree::WmMoveCursorToScreenLocationInPixels(
+    const gfx::Point& screen_pixel_location) {
+  DCHECK(window_manager_state_);
+  // Here, I need to go from a screen location to a display location?
+  //
+  // TODO(erg): This is all wrong, I need to resolve this to work in the
+  // multi-display case.
+  window_manager_state_->SetCursorLocation(screen_pixel_location);
+}
+
 void WindowTree::OnWmCreatedTopLevelWindow(uint32_t change_id,
                                            Id transport_window_id) {
   ServerWindow* window =