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

ui/views/mus/text_input_client_impl.cc

-// 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.
-
-#include "ui/views/mus/text_input_client_impl.h"
-
-#include "ui/base/ime/text_input_client.h"
-#include "ui/views/mus/input_method_mus.h"
-
-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::mojom::TextInputClientPtr TextInputClientImpl::CreateInterfacePtrAndBind() {
-  return binding_.CreateInterfacePtrAndBind();
-}
-
-void TextInputClientImpl::OnCompositionEvent(
-    ui::mojom::CompositionEventPtr event) {
-  switch (event->type) {
-    case ui::mojom::CompositionEventType::INSERT_CHAR: {
-      DCHECK((*event->key_event)->IsKeyEvent());
-      ui::KeyEvent* key_event = (*event->key_event)->AsKeyEvent();
-      DCHECK(key_event->is_char());
-      text_input_client_->InsertChar(*key_event);
-      break;
-    }
-    case ui::mojom::CompositionEventType::CONFIRM:
-      text_input_client_->ConfirmCompositionText();
-      break;
-    case ui::mojom::CompositionEventType::CLEAR:
-      text_input_client_->ClearCompositionText();
-      break;
-    case ui::mojom::CompositionEventType::UPDATE:
-    case ui::mojom::CompositionEventType::INSERT_TEXT:
-      // TODO(moshayedi): crbug.com/631524. Implement these types of composition
-      // events once we have the necessary fields in ui.mojom.CompositionEvent.
-      NOTIMPLEMENTED();
-      break;
-  }
-}
-
-void TextInputClientImpl::OnUnhandledEvent(
-    std::unique_ptr<ui::Event> key_event) {
-  DCHECK(key_event && key_event->IsKeyEvent());
-  input_method_->DispatchKeyEventPostIME(key_event->AsKeyEvent());
-}
-
-}  // namespace views