IME for Mus: Send ack for key events after IME driver processes the event.

ui/views/mus/text_input_client_impl.cc

Index: ui/views/mus/text_input_client_impl.cc
diff --git a/ui/views/mus/text_input_client_impl.cc b/ui/views/mus/text_input_client_impl.cc
index 59b4b995c6633d4a1d1a5ab68d489f2f90bb50df..2503b7fe99355e89030002001347af50e7e40f4c 100644
--- a/ui/views/mus/text_input_client_impl.cc
+++ b/ui/views/mus/text_input_client_impl.cc
@@ -9,11 +9,8 @@
 
 namespace views {
 
-TextInputClientImpl::TextInputClientImpl(ui::TextInputClient* text_input_client,
-                                         InputMethodMus* input_method)
-    : text_input_client_(text_input_client),
-      input_method_(input_method),
-      binding_(this) {}
+TextInputClientImpl::TextInputClientImpl(ui::TextInputClient* text_input_client)
+    : text_input_client_(text_input_client), binding_(this) {}
 
 TextInputClientImpl::~TextInputClientImpl() {}
 
@@ -46,10 +43,4 @@ void TextInputClientImpl::OnCompositionEvent(
   }
 }
 
-void TextInputClientImpl::OnUnhandledEvent(
-    std::unique_ptr<ui::Event> key_event) {
-  DCHECK(key_event && key_event->IsKeyEvent());
-  input_method_->DispatchKeyEventPostIME(key_event->AsKeyEvent());
-}
-
 }  // namespace views