cros: Move LockWindow from chrome to ash

chrome/browser/chromeos/login/ui/lock_window.cc

-// Copyright 2014 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 "chrome/browser/chromeos/login/ui/lock_window.h"
-
-#include "ash/public/cpp/shell_window_ids.h"
-#include "ash/shell.h"
-#include "chrome/browser/ui/ash/ash_util.h"
-#include "services/ui/public/cpp/property_type_converters.h"
-#include "services/ui/public/interfaces/window_manager.mojom.h"
-#include "ui/aura/window.h"
-#include "ui/events/gestures/gesture_recognizer.h"
-
-namespace chromeos {
-
-LockWindow::LockWindow() {
-  ui::GestureRecognizer::Get()->CancelActiveTouchesExcept(nullptr);
-
-  views::Widget::InitParams params(
-      views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
-  params.delegate = this;
-  params.show_state = ui::SHOW_STATE_FULLSCREEN;
-  params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
-  const int kLockContainer = ash::kShellWindowId_LockScreenContainer;
-  if (ash_util::IsRunningInMash()) {
-    using ui::mojom::WindowManager;
-    params.mus_properties[WindowManager::kContainerId_InitProperty] =
-        mojo::ConvertTo<std::vector<uint8_t>>(kLockContainer);
-  } else {
-    params.parent = ash::Shell::GetContainer(ash::Shell::GetPrimaryRootWindow(),
-                                             kLockContainer);
-  }
-  Init(params);
-  SetVisibilityAnimationTransition(views::Widget::ANIMATE_NONE);
-}
-
-LockWindow::~LockWindow() {}
-
-views::Widget* LockWindow::GetWidget() {
-  return this;
-}
-
-const views::Widget* LockWindow::GetWidget() const {
-  return this;
-}
-
-views::View* LockWindow::GetInitiallyFocusedView() {
-  // There are multiple GetContentsView definitions; use the views::Widget one.
-  return views::Widget::GetContentsView();
-}
-
-}  // namespace chromeos