Eliminate WindowTreeConnection

components/mus/public/cpp/input_event_handler.h

Index: components/mus/public/cpp/input_event_handler.h
diff --git a/components/mus/public/cpp/input_event_handler.h b/components/mus/public/cpp/input_event_handler.h
index db0c0d0544dd7915771a6dfea4c7fbf5d8572500..3d445b23bad7fa82267512e324f98f8f5d450b01 100644
--- a/components/mus/public/cpp/input_event_handler.h
+++ b/components/mus/public/cpp/input_event_handler.h
@@ -27,7 +27,7 @@ class InputEventHandler {
   // The event handler can asynchronously ack the event by taking ownership of
   // the |ack_callback|. The callback takes an EventResult indicating if the
   // handler has consumed the event. If the handler does not take ownership of
-  // the callback, then WindowTreeClientImpl will ack the event as not consumed.
+  // the callback, then WindowTreeClient will ack the event as not consumed.
   virtual void OnWindowInputEvent(
       Window* target,
       const ui::Event& event,