WIP: have aura-mus convert to dips before sending out events

ui/aura/window_event_dispatcher.cc

Index: ui/aura/window_event_dispatcher.cc
diff --git a/ui/aura/window_event_dispatcher.cc b/ui/aura/window_event_dispatcher.cc
index 6cd3c43e2dad9addd866098702afd9b64af79343..6e01b11de7fde67030e7acdf98d44569aac7b5fc 100644
--- a/ui/aura/window_event_dispatcher.cc
+++ b/ui/aura/window_event_dispatcher.cc
@@ -424,8 +424,10 @@ void WindowEventDispatcher::OnEventProcessingStarted(ui::Event* event) {
   // The held events are already in |window()|'s coordinate system. So it is
   // not necessary to apply the transform to convert from the host's
   // coordinate system to |window()|'s coordinate system.
-  if (event->IsLocatedEvent() && !is_dispatched_held_event(*event))
+  if (event->IsLocatedEvent() && !is_dispatched_held_event(*event) &&
+      Env::GetInstance()->mode() == Env::Mode::LOCAL) {
     TransformEventForDeviceScaleFactor(static_cast<ui::LocatedEvent*>(event));
+  }
 
   if (mus_mouse_location_updater_)
     mus_mouse_location_updater_->OnEventProcessingStarted(*event);