IME for Mus: Make InputMethodMus use the IME Mojo API.

ui/views/mus/text_input_client_impl.h

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_VIEWS_MUS_TEXT_INPUT_CLIENT_IMPL_H_
+#define UI_VIEWS_MUS_TEXT_INPUT_CLIENT_IMPL_H_
+
+#include "mojo/public/cpp/bindings/binding.h"
+#include "services/ui/public/interfaces/ime.mojom.h"
+
+namespace ui {
+class TextInputClient;
+};
+
+namespace views {
+
+// TextInputClientImpl receieves updates from IME drivers over Mojo IPC, and
+// notifies the underlying ui::TextInputClient accordingly.
+class TextInputClientImpl : public ui::mojom::TextInputClient {
+ public:
+  TextInputClientImpl(ui::TextInputClient* text_input_client);
+  ~TextInputClientImpl() override;
+
+  ui::mojom::TextInputClientPtr CreateInterfacePtrAndBind();
+
+ private:
+  // ui::mojom::TextInputClient:
+  void OnCompositionEvent(ui::mojom::CompositionEventPtr event) override;
+
+  ui::TextInputClient* text_input_client_;
+  mojo::Binding<ui::mojom::TextInputClient> binding_;
+
+  DISALLOW_COPY_AND_ASSIGN(TextInputClientImpl);
+};
+
+}  // namespace views
+
+#endif  // UI_VIEWS_MUS_TEXT_INPUT_CLIENT_IMPL_H_