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

ui/aura/mus/window_tree_client.cc

Index: ui/aura/mus/window_tree_client.cc
diff --git a/ui/aura/mus/window_tree_client.cc b/ui/aura/mus/window_tree_client.cc
index 9b93c51aa52c4206e39da9f44e89475a51a30b5f..33792507dd9bb7bba0257734354ac6f0422b5f39 100644
--- a/ui/aura/mus/window_tree_client.cc
+++ b/ui/aura/mus/window_tree_client.cc
@@ -161,11 +161,11 @@ void ConvertEventLocationToDip(int64_t display_id, ui::LocatedEvent* event) {
 }
 
 // Set the |target| to be the target window of this |event| and send it to
-// the EventProcessor.
+// the EventSink.
 void DispatchEventToTarget(ui::Event* event, WindowMus* target) {
   ui::Event::DispatcherApi dispatch_helper(event);
   dispatch_helper.set_target(target->GetWindow());
-  GetWindowTreeHostMus(target)->SendEventToProcessor(event);
+  GetWindowTreeHostMus(target)->SendEventToSink(event);
 }
 
 }  // namespace