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

ash/host/ash_window_tree_host_x11.cc

Index: ash/host/ash_window_tree_host_x11.cc
diff --git a/ash/host/ash_window_tree_host_x11.cc b/ash/host/ash_window_tree_host_x11.cc
index 6010b03c8bedce963b1bca96eea05a206aecc868..6733d78f82ab8d4f494435ff6685c7c73c2b342e 100644
--- a/ash/host/ash_window_tree_host_x11.cc
+++ b/ash/host/ash_window_tree_host_x11.cc
@@ -210,14 +210,13 @@ bool AshWindowTreeHostX11::CanDispatchEvent(const ui::PlatformEvent& event) {
 void AshWindowTreeHostX11::TranslateAndDispatchLocatedEvent(
     ui::LocatedEvent* event) {
   TranslateLocatedEvent(event);
-  SendEventToProcessor(event);
+  SendEventToSink(event);
 }
 
 ui::EventDispatchDetails AshWindowTreeHostX11::DispatchKeyEventPostIME(
     ui::KeyEvent* event) {
   input_method_handler()->SetPostIME(true);
-  ui::EventDispatchDetails details =
-      event_processor()->OnEventFromSource(event);
+  ui::EventDispatchDetails details = event_sink()->OnEventFromSource(event);
   if (!details.dispatcher_destroyed)
     input_method_handler()->SetPostIME(false);
   return details;