mustash: Use ui::chromeos::EventRewriter in mus

services/ui/ws/platform_display_default.h

Index: services/ui/ws/platform_display_default.h
diff --git a/services/ui/ws/platform_display_default.h b/services/ui/ws/platform_display_default.h
index 399594c03f9db6f83a73254dde4854c76a6cbd0c..9478b463f1771aae0d862b7bb948b7fc12b1a628 100644
--- a/services/ui/ws/platform_display_default.h
+++ b/services/ui/ws/platform_display_default.h
@@ -18,6 +18,7 @@
 
 namespace ui {
 
+class EventSink;
 class ImageCursors;
 class LocatedEvent;
 class PlatformWindow;
@@ -34,6 +35,9 @@ class PlatformDisplayDefault : public PlatformDisplay,
                          const display::ViewportMetrics& metrics);
   ~PlatformDisplayDefault() override;
 
+  // EventSource::
+  EventSink* GetEventSink() override;
+
   // PlatformDisplay:
   void Init(PlatformDisplayDelegate* delegate) override;
   void SetViewportSize(const gfx::Size& size) override;
@@ -54,6 +58,7 @@ class PlatformDisplayDefault : public PlatformDisplay,
   // updated to be (1900, 200).
   // TODO(riajiang): This is totally broken with HDPI.
   void UpdateEventRootLocation(ui::LocatedEvent* event);
+  void DispatchEventToDelegate(const ui::Event& event);
 
   // ui::PlatformWindowDelegate:
   void OnBoundsChanged(const gfx::Rect& new_bounds) override;