mash: Port KeyboardUIMus to mojo:ash; remove sysui.

ash/sysui/keyboard_ui_mus.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 "ash/sysui/keyboard_ui_mus.h"
-
-#include "ash/common/keyboard/keyboard_ui_observer.h"
-#include "base/memory/ptr_util.h"
-#include "services/shell/public/cpp/connector.h"
-
-namespace ash {
-
-KeyboardUIMus::KeyboardUIMus(::shell::Connector* connector)
-    : is_enabled_(false), observer_binding_(this) {
-  // TODO(sky): should be something like mojo:keyboard, but need mapping.
-  connector->ConnectToInterface("exe:chrome", &keyboard_);
-  keyboard_->AddObserver(observer_binding_.CreateInterfacePtrAndBind());
-}
-
-KeyboardUIMus::~KeyboardUIMus() {}
-
-// static
-std::unique_ptr<KeyboardUI> KeyboardUIMus::Create(
-    ::shell::Connector* connector) {
-  return base::WrapUnique(new KeyboardUIMus(connector));
-}
-
-void KeyboardUIMus::Hide() {
-  keyboard_->Hide();
-}
-
-void KeyboardUIMus::Show() {
-  keyboard_->Show();
-}
-
-bool KeyboardUIMus::IsEnabled() {
-  return is_enabled_;
-}
-
-void KeyboardUIMus::OnKeyboardStateChanged(bool is_enabled,
-                                           bool is_visible,
-                                           uint64_t display_id,
-                                           const gfx::Rect& bounds) {
-  if (is_enabled_ == is_enabled)
-    return;
-
-  is_enabled_ = is_enabled;
-  FOR_EACH_OBSERVER(KeyboardUIObserver, *observers(),
-                    OnKeyboardEnabledStateChanged(is_enabled));
-}
-
-}  // namespace ash