Make aura work with mus

ui/aura/mus/input_method_mus.cc

Index: ui/aura/mus/input_method_mus.cc
diff --git a/ui/views/mus/input_method_mus.cc b/ui/aura/mus/input_method_mus.cc
similarity index 91%
copy from ui/views/mus/input_method_mus.cc
copy to ui/aura/mus/input_method_mus.cc
index 9166d5d6836ad826691abc0dda4ccc3c6ce4515e..9e3ed158fb9d6d8415d6249dee82bfb8a2a541d1 100644
--- a/ui/views/mus/input_method_mus.cc
+++ b/ui/aura/mus/input_method_mus.cc
@@ -2,27 +2,29 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ui/views/mus/input_method_mus.h"
+#include "ui/aura/mus/input_method_mus.h"
 
 #include <utility>
 
-#include "services/ui/public/cpp/window.h"
 #include "services/ui/public/interfaces/ime.mojom.h"
+#include "services/ui/public/interfaces/window_tree_constants.mojom.h"
+#include "ui/aura/mus/text_input_client_impl.h"
+#include "ui/aura/mus/window_port_mus.h"
+#include "ui/aura/window.h"
 #include "ui/base/ime/text_input_client.h"
 #include "ui/events/event.h"
 #include "ui/platform_window/mojo/ime_type_converters.h"
 #include "ui/platform_window/mojo/text_input_state.mojom.h"
-#include "ui/views/mus/text_input_client_impl.h"
 
 using ui::mojom::EventResult;
 
-namespace views {
+namespace aura {
 
 ////////////////////////////////////////////////////////////////////////////////
 // InputMethodMus, public:
 
 InputMethodMus::InputMethodMus(ui::internal::InputMethodDelegate* delegate,
-                               ui::Window* window)
+                               Window* window)
     : window_(window) {
   SetDelegate(delegate);
 }
@@ -130,10 +132,11 @@ void InputMethodMus::UpdateTextInputType() {
   mojo::TextInputStatePtr state = mojo::TextInputState::New();
   state->type = mojo::ConvertTo<mojo::TextInputType>(type);
   if (window_) {
+    WindowPortMus* window_impl_mus = WindowPortMus::Get(window_);
     if (type != ui::TEXT_INPUT_TYPE_NONE)
-      window_->SetImeVisibility(true, std::move(state));
+      window_impl_mus->SetImeVisibility(true, std::move(state));
     else
-      window_->SetTextInputState(std::move(state));
+      window_impl_mus->SetTextInputState(std::move(state));
   }
 }
 
@@ -160,4 +163,4 @@ void InputMethodMus::ProcessKeyEventCallback(
     ack_callback->Run(event_result);
 }
 
-}  // namespace views
+}  // namespace aura