Folds WmRootWindowController into RootWindowController

ash/common/wm_root_window_controller.cc

Index: ash/common/wm_root_window_controller.cc
diff --git a/ash/common/wm_root_window_controller.cc b/ash/common/wm_root_window_controller.cc
deleted file mode 100644
index f52ef3fe720607effa84a3bf3cd06fae6c554602..0000000000000000000000000000000000000000
--- a/ash/common/wm_root_window_controller.cc
+++ /dev/null
@@ -1,673 +0,0 @@
-// 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/common/wm_root_window_controller.h"
-
-#include "ash/aura/wm_window_aura.h"
-#include "ash/common/session/session_state_delegate.h"
-#include "ash/common/shelf/shelf_layout_manager.h"
-#include "ash/common/shelf/shelf_widget.h"
-#include "ash/common/shelf/wm_shelf.h"
-#include "ash/common/shell_delegate.h"
-#include "ash/common/system/status_area_widget.h"
-#include "ash/common/wallpaper/wallpaper_delegate.h"
-#include "ash/common/wallpaper/wallpaper_widget_controller.h"
-#include "ash/common/wm/always_on_top_controller.h"
-#include "ash/common/wm/container_finder.h"
-#include "ash/common/wm/dock/docked_window_layout_manager.h"
-#include "ash/common/wm/lock_layout_manager.h"
-#include "ash/common/wm/panels/panel_layout_manager.h"
-#include "ash/common/wm/root_window_layout_manager.h"
-#include "ash/common/wm/system_modal_container_layout_manager.h"
-#include "ash/common/wm/window_state.h"
-#include "ash/common/wm/wm_snap_to_pixel_layout_manager.h"
-#include "ash/common/wm/workspace/workspace_layout_manager.h"
-#include "ash/common/wm/workspace_controller.h"
-#include "ash/common/wm_shell.h"
-#include "ash/common/wm_window.h"
-#include "ash/public/cpp/shell_window_ids.h"
-#include "ash/root_window_controller.h"
-#include "ash/shell.h"
-#include "base/memory/ptr_util.h"
-#include "ui/aura/env.h"
-#include "ui/aura/mus/window_mus.h"
-#include "ui/aura/mus/window_tree_client.h"
-#include "ui/aura/window.h"
-#include "ui/aura/window_event_dispatcher.h"
-#include "ui/aura/window_tree_host.h"
-#include "ui/base/models/menu_model.h"
-#include "ui/events/event_targeter.h"
-#include "ui/events/event_utils.h"
-#include "ui/views/controls/menu/menu_model_adapter.h"
-#include "ui/views/controls/menu/menu_runner.h"
-
-namespace ash {
-namespace {
-
-// Scales |value| that is originally between 0 and |src_max| to be between
-// 0 and |dst_max|.
-float ToRelativeValue(int value, int src_max, int dst_max) {
-  return static_cast<float>(value) / static_cast<float>(src_max) * dst_max;
-}
-
-// Uses ToRelativeValue() to scale the origin of |bounds_in_out|. The
-// width/height are not changed.
-void MoveOriginRelativeToSize(const gfx::Size& src_size,
-                              const gfx::Size& dst_size,
-                              gfx::Rect* bounds_in_out) {
-  gfx::Point origin = bounds_in_out->origin();
-  bounds_in_out->set_origin(gfx::Point(
-      ToRelativeValue(origin.x(), src_size.width(), dst_size.width()),
-      ToRelativeValue(origin.y(), src_size.height(), dst_size.height())));
-}
-
-// Reparents |window| to |new_parent|.
-void ReparentWindow(WmWindow* window, WmWindow* new_parent) {
-  const gfx::Size src_size = window->GetParent()->GetBounds().size();
-  const gfx::Size dst_size = new_parent->GetBounds().size();
-  // Update the restore bounds to make it relative to the display.
-  wm::WindowState* state = window->GetWindowState();
-  gfx::Rect restore_bounds;
-  bool has_restore_bounds = state->HasRestoreBounds();
-
-  bool update_bounds =
-      (state->IsNormalOrSnapped() || state->IsMinimized()) &&
-      new_parent->GetShellWindowId() != kShellWindowId_DockedContainer;
-  gfx::Rect local_bounds;
-  if (update_bounds) {
-    local_bounds = state->window()->GetBounds();
-    MoveOriginRelativeToSize(src_size, dst_size, &local_bounds);
-  }
-
-  if (has_restore_bounds) {
-    restore_bounds = state->GetRestoreBoundsInParent();
-    MoveOriginRelativeToSize(src_size, dst_size, &restore_bounds);
-  }
-
-  new_parent->AddChild(window);
-
-  // Docked windows have bounds handled by the layout manager in AddChild().
-  if (update_bounds)
-    window->SetBounds(local_bounds);
-
-  if (has_restore_bounds)
-    state->SetRestoreBoundsInParent(restore_bounds);
-}
-
-// Reparents the appropriate set of windows from |src| to |dst|.
-void ReparentAllWindows(WmWindow* src, WmWindow* dst) {
-  // Set of windows to move.
-  const int kContainerIdsToMove[] = {
-      kShellWindowId_DefaultContainer,
-      kShellWindowId_DockedContainer,
-      kShellWindowId_PanelContainer,
-      kShellWindowId_AlwaysOnTopContainer,
-      kShellWindowId_SystemModalContainer,
-      kShellWindowId_LockSystemModalContainer,
-      kShellWindowId_UnparentedControlContainer,
-      kShellWindowId_OverlayContainer,
-  };
-  const int kExtraContainerIdsToMoveInUnifiedMode[] = {
-      kShellWindowId_LockScreenContainer,
-      kShellWindowId_LockScreenWallpaperContainer,
-  };
-  std::vector<int> container_ids(
-      kContainerIdsToMove,
-      kContainerIdsToMove + arraysize(kContainerIdsToMove));
-  // Check the display mode as this is also necessary when trasitioning between
-  // mirror and unified mode.
-  if (WmShell::Get()->IsInUnifiedModeIgnoreMirroring()) {
-    for (int id : kExtraContainerIdsToMoveInUnifiedMode)
-      container_ids.push_back(id);
-  }
-
-  for (int id : container_ids) {
-    WmWindow* src_container = src->GetChildByShellWindowId(id);
-    WmWindow* dst_container = dst->GetChildByShellWindowId(id);
-    while (!src_container->GetChildren().empty()) {
-      // Restart iteration from the source container windows each time as they
-      // may change as a result of moving other windows.
-      WmWindow::Windows src_container_children = src_container->GetChildren();
-      WmWindow::Windows::const_iterator iter = src_container_children.begin();
-      while (iter != src_container_children.end() &&
-             SystemModalContainerLayoutManager::IsModalBackground(*iter)) {
-        ++iter;
-      }
-      // If the entire window list is modal background windows then stop.
-      if (iter == src_container_children.end())
-        break;
-      ReparentWindow(*iter, dst_container);
-    }
-  }
-}
-
-// Creates a new window for use as a container.
-WmWindow* CreateContainer(int window_id, const char* name, WmWindow* parent) {
-  WmWindow* window = WmShell::Get()->NewWindow(ui::wm::WINDOW_TYPE_UNKNOWN,
-                                               ui::LAYER_NOT_DRAWN);
-  window->SetShellWindowId(window_id);
-  window->SetName(name);
-  parent->AddChild(window);
-  if (window_id != kShellWindowId_UnparentedControlContainer)
-    window->Show();
-  return window;
-}
-
-}  // namespace
-
-WmRootWindowController::WmRootWindowController(
-    RootWindowController* root_window_controller,
-    WmWindow* root)
-    : root_window_controller_(root_window_controller), root_(root) {}
-
-WmRootWindowController::~WmRootWindowController() {
-  if (animating_wallpaper_widget_controller_.get())
-    animating_wallpaper_widget_controller_->StopAnimating();
-}
-
-void WmRootWindowController::SetWallpaperWidgetController(
-    WallpaperWidgetController* controller) {
-  wallpaper_widget_controller_.reset(controller);
-}
-
-void WmRootWindowController::SetAnimatingWallpaperWidgetController(
-    AnimatingWallpaperWidgetController* controller) {
-  if (animating_wallpaper_widget_controller_.get())
-    animating_wallpaper_widget_controller_->StopAnimating();
-  animating_wallpaper_widget_controller_.reset(controller);
-}
-
-wm::WorkspaceWindowState WmRootWindowController::GetWorkspaceWindowState() {
-  return workspace_controller_ ? workspace_controller()->GetWindowState()
-                               : wm::WORKSPACE_WINDOW_STATE_DEFAULT;
-}
-
-SystemModalContainerLayoutManager*
-WmRootWindowController::GetSystemModalLayoutManager(WmWindow* window) {
-  WmWindow* modal_container = nullptr;
-  if (window) {
-    WmWindow* window_container = wm::GetContainerForWindow(window);
-    if (window_container &&
-        window_container->GetShellWindowId() >=
-            kShellWindowId_LockScreenContainer) {
-      modal_container = GetContainer(kShellWindowId_LockSystemModalContainer);
-    } else {
-      modal_container = GetContainer(kShellWindowId_SystemModalContainer);
-    }
-  } else {
-    int modal_window_id =
-        WmShell::Get()->GetSessionStateDelegate()->IsUserSessionBlocked()
-            ? kShellWindowId_LockSystemModalContainer
-            : kShellWindowId_SystemModalContainer;
-    modal_container = GetContainer(modal_window_id);
-  }
-  return modal_container ? static_cast<SystemModalContainerLayoutManager*>(
-                               modal_container->GetLayoutManager())
-                         : nullptr;
-}
-
-bool WmRootWindowController::HasShelf() {
-  return GetShelf()->shelf_widget() != nullptr;
-}
-
-WmShelf* WmRootWindowController::GetShelf() {
-  return root_window_controller_->wm_shelf();
-}
-
-void WmRootWindowController::CreateShelf() {
-  WmShelf* shelf = GetShelf();
-  if (shelf->IsShelfInitialized())
-    return;
-  shelf->InitializeShelf();
-
-  if (panel_layout_manager_)
-    panel_layout_manager_->SetShelf(shelf);
-  if (docked_window_layout_manager_) {
-    docked_window_layout_manager_->SetShelf(shelf);
-    if (shelf->shelf_layout_manager())
-      docked_window_layout_manager_->AddObserver(shelf->shelf_layout_manager());
-  }
-
-  // Notify shell observers that the shelf has been created.
-  // TODO(jamescook): Move this into WmShelf::InitializeShelf(). This will
-  // require changing AttachedPanelWidgetTargeter's access to WmShelf.
-  WmShell::Get()->NotifyShelfCreatedForRootWindow(GetWindow());
-
-  shelf->shelf_widget()->PostCreateShelf();
-}
-
-void WmRootWindowController::ShowShelf() {
-  WmShelf* shelf = GetShelf();
-  if (!shelf->IsShelfInitialized())
-    return;
-  // TODO(jamescook): Move this into WmShelf.
-  shelf->shelf_widget()->SetShelfVisibility(true);
-  shelf->shelf_widget()->status_area_widget()->Show();
-}
-
-SystemTray* WmRootWindowController::GetSystemTray() {
-  ShelfWidget* shelf_widget = GetShelf()->shelf_widget();
-  if (!shelf_widget || !shelf_widget->status_area_widget())
-    return nullptr;
-  return shelf_widget->status_area_widget()->system_tray();
-}
-
-WmWindow* WmRootWindowController::GetWindow() {
-  return root_;
-}
-
-WmWindow* WmRootWindowController::GetContainer(int container_id) {
-  return root_->GetChildByShellWindowId(container_id);
-}
-
-const WmWindow* WmRootWindowController::GetContainer(int container_id) const {
-  return root_->GetChildByShellWindowId(container_id);
-}
-
-void WmRootWindowController::ConfigureWidgetInitParamsForContainer(
-    views::Widget* widget,
-    int shell_container_id,
-    views::Widget::InitParams* init_params) {
-  init_params->parent = WmWindowAura::GetAuraWindow(
-      GetWindow()->GetChildByShellWindowId(shell_container_id));
-}
-
-WmWindow* WmRootWindowController::FindEventTarget(
-    const gfx::Point& location_in_screen) {
-  gfx::Point location_in_root =
-      GetWindow()->ConvertPointFromScreen(location_in_screen);
-  aura::Window* root = WmWindowAura::GetAuraWindow(GetWindow());
-  ui::MouseEvent test_event(ui::ET_MOUSE_MOVED, location_in_root,
-                            location_in_root, ui::EventTimeForNow(),
-                            ui::EF_NONE, ui::EF_NONE);
-  ui::EventTarget* event_handler = static_cast<ui::EventTarget*>(root)
-                                       ->GetEventTargeter()
-                                       ->FindTargetForEvent(root, &test_event);
-  return WmWindowAura::Get(static_cast<aura::Window*>(event_handler));
-}
-
-gfx::Point WmRootWindowController::GetLastMouseLocationInRoot() {
-  return WmWindowAura::GetAuraWindow(GetWindow())
-      ->GetHost()
-      ->dispatcher()
-      ->GetLastMouseLocationInRoot();
-}
-
-void WmRootWindowController::ShowContextMenu(
-    const gfx::Point& location_in_screen,
-    ui::MenuSourceType source_type) {
-  ShellDelegate* delegate = WmShell::Get()->delegate();
-  DCHECK(delegate);
-  menu_model_.reset(delegate->CreateContextMenu(GetShelf(), nullptr));
-  if (!menu_model_)
-    return;
-
-  menu_model_adapter_.reset(new views::MenuModelAdapter(
-      menu_model_.get(), base::Bind(&WmRootWindowController::OnMenuClosed,
-                                    base::Unretained(this))));
-
-  // The wallpaper controller may not be set yet if the user clicked on the
-  // status area before the initial animation completion. See crbug.com/222218
-  if (!wallpaper_widget_controller())
-    return;
-
-  menu_runner_.reset(new views::MenuRunner(
-      menu_model_adapter_->CreateMenu(),
-      views::MenuRunner::CONTEXT_MENU | views::MenuRunner::ASYNC));
-  ignore_result(
-      menu_runner_->RunMenuAt(wallpaper_widget_controller()->widget(), nullptr,
-                              gfx::Rect(location_in_screen, gfx::Size()),
-                              views::MENU_ANCHOR_TOPLEFT, source_type));
-}
-
-void WmRootWindowController::OnInitialWallpaperAnimationStarted() {
-  root_window_controller_->OnInitialWallpaperAnimationStarted();
-}
-
-void WmRootWindowController::OnWallpaperAnimationFinished(
-    views::Widget* widget) {
-  root_window_controller_->OnWallpaperAnimationFinished(widget);
-  WmShell::Get()->wallpaper_delegate()->OnWallpaperAnimationFinished();
-  // Only removes old component when wallpaper animation finished. If we
-  // remove the old one before the new wallpaper is done fading in there will
-  // be a white flash during the animation.
-  if (animating_wallpaper_widget_controller()) {
-    WallpaperWidgetController* controller =
-        animating_wallpaper_widget_controller()->GetController(true);
-    DCHECK_EQ(controller->widget(), widget);
-    // Release the old controller and close its wallpaper widget.
-    SetWallpaperWidgetController(controller);
-  }
-}
-
-void WmRootWindowController::UpdateAfterLoginStatusChange(LoginStatus status) {
-  StatusAreaWidget* status_area_widget =
-      GetShelf()->shelf_widget()->status_area_widget();
-  if (status_area_widget)
-    status_area_widget->UpdateAfterLoginStatusChange(status);
-}
-
-void WmRootWindowController::MoveWindowsTo(WmWindow* dest) {
-  // Clear the workspace controller, so it doesn't incorrectly update the shelf.
-  workspace_controller_.reset();
-  ReparentAllWindows(GetWindow(), dest);
-}
-
-void WmRootWindowController::CreateContainers() {
-  // These containers are just used by PowerButtonController to animate groups
-  // of containers simultaneously without messing up the current transformations
-  // on those containers. These are direct children of the root window; all of
-  // the other containers are their children.
-
-  // The wallpaper container is not part of the lock animation, so it is not
-  // included in those animate groups. When the screen is locked, the wallpaper
-  // is moved to the lock screen wallpaper container (and moved back on unlock).
-  // Ensure that there's an opaque layer occluding the non-lock-screen layers.
-  WmWindow* wallpaper_container = CreateContainer(
-      kShellWindowId_WallpaperContainer, "WallpaperContainer", root_);
-  wallpaper_container->SetChildWindowVisibilityChangesAnimated();
-
-  WmWindow* non_lock_screen_containers =
-      CreateContainer(kShellWindowId_NonLockScreenContainersContainer,
-                      "NonLockScreenContainersContainer", root_);
-  // Clip all windows inside this container, as half pixel of the window's
-  // texture may become visible when the screen is scaled. crbug.com/368591.
-  non_lock_screen_containers->SetMasksToBounds(true);
-
-  WmWindow* lock_wallpaper_containers =
-      CreateContainer(kShellWindowId_LockScreenWallpaperContainer,
-                      "LockScreenWallpaperContainer", root_);
-  lock_wallpaper_containers->SetChildWindowVisibilityChangesAnimated();
-
-  WmWindow* lock_screen_containers =
-      CreateContainer(kShellWindowId_LockScreenContainersContainer,
-                      "LockScreenContainersContainer", root_);
-  WmWindow* lock_screen_related_containers =
-      CreateContainer(kShellWindowId_LockScreenRelatedContainersContainer,
-                      "LockScreenRelatedContainersContainer", root_);
-
-  CreateContainer(kShellWindowId_UnparentedControlContainer,
-                  "UnparentedControlContainer", non_lock_screen_containers);
-
-  WmWindow* default_container =
-      CreateContainer(kShellWindowId_DefaultContainer, "DefaultContainer",
-                      non_lock_screen_containers);
-  default_container->SetChildWindowVisibilityChangesAnimated();
-  default_container->SetSnapsChildrenToPhysicalPixelBoundary();
-  default_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-  default_container->SetChildrenUseExtendedHitRegion();
-
-  WmWindow* always_on_top_container =
-      CreateContainer(kShellWindowId_AlwaysOnTopContainer,
-                      "AlwaysOnTopContainer", non_lock_screen_containers);
-  always_on_top_container->SetChildWindowVisibilityChangesAnimated();
-  always_on_top_container->SetSnapsChildrenToPhysicalPixelBoundary();
-  always_on_top_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-
-  WmWindow* docked_container =
-      CreateContainer(kShellWindowId_DockedContainer, "DockedContainer",
-                      non_lock_screen_containers);
-  docked_container->SetChildWindowVisibilityChangesAnimated();
-  docked_container->SetSnapsChildrenToPhysicalPixelBoundary();
-  docked_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-  docked_container->SetChildrenUseExtendedHitRegion();
-
-  WmWindow* shelf_container =
-      CreateContainer(kShellWindowId_ShelfContainer, "ShelfContainer",
-                      non_lock_screen_containers);
-  shelf_container->SetSnapsChildrenToPhysicalPixelBoundary();
-  shelf_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-  shelf_container->SetLockedToRoot(true);
-
-  WmWindow* panel_container =
-      CreateContainer(kShellWindowId_PanelContainer, "PanelContainer",
-                      non_lock_screen_containers);
-  panel_container->SetSnapsChildrenToPhysicalPixelBoundary();
-  panel_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-
-  WmWindow* shelf_bubble_container =
-      CreateContainer(kShellWindowId_ShelfBubbleContainer,
-                      "ShelfBubbleContainer", non_lock_screen_containers);
-  shelf_bubble_container->SetSnapsChildrenToPhysicalPixelBoundary();
-  shelf_bubble_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-  shelf_bubble_container->SetLockedToRoot(true);
-
-  WmWindow* app_list_container =
-      CreateContainer(kShellWindowId_AppListContainer, "AppListContainer",
-                      non_lock_screen_containers);
-  app_list_container->SetSnapsChildrenToPhysicalPixelBoundary();
-  app_list_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-
-  WmWindow* modal_container =
-      CreateContainer(kShellWindowId_SystemModalContainer,
-                      "SystemModalContainer", non_lock_screen_containers);
-  modal_container->SetSnapsChildrenToPhysicalPixelBoundary();
-  modal_container->SetChildWindowVisibilityChangesAnimated();
-  modal_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-  modal_container->SetChildrenUseExtendedHitRegion();
-
-  // TODO(beng): Figure out if we can make this use
-  // SystemModalContainerEventFilter instead of stops_event_propagation.
-  WmWindow* lock_container =
-      CreateContainer(kShellWindowId_LockScreenContainer, "LockScreenContainer",
-                      lock_screen_containers);
-  lock_container->SetSnapsChildrenToPhysicalPixelBoundary();
-  lock_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-  // TODO(beng): stopsevents
-
-  WmWindow* lock_modal_container =
-      CreateContainer(kShellWindowId_LockSystemModalContainer,
-                      "LockSystemModalContainer", lock_screen_containers);
-  lock_modal_container->SetSnapsChildrenToPhysicalPixelBoundary();
-  lock_modal_container->SetChildWindowVisibilityChangesAnimated();
-  lock_modal_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-  lock_modal_container->SetChildrenUseExtendedHitRegion();
-
-  WmWindow* status_container =
-      CreateContainer(kShellWindowId_StatusContainer, "StatusContainer",
-                      lock_screen_related_containers);
-  status_container->SetSnapsChildrenToPhysicalPixelBoundary();
-  status_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-  status_container->SetLockedToRoot(true);
-
-  WmWindow* settings_bubble_container =
-      CreateContainer(kShellWindowId_SettingBubbleContainer,
-                      "SettingBubbleContainer", lock_screen_related_containers);
-  settings_bubble_container->SetChildWindowVisibilityChangesAnimated();
-  settings_bubble_container->SetSnapsChildrenToPhysicalPixelBoundary();
-  settings_bubble_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-  settings_bubble_container->SetLockedToRoot(true);
-
-  WmWindow* virtual_keyboard_parent_container = CreateContainer(
-      kShellWindowId_ImeWindowParentContainer, "VirtualKeyboardParentContainer",
-      lock_screen_related_containers);
-  virtual_keyboard_parent_container->SetSnapsChildrenToPhysicalPixelBoundary();
-  virtual_keyboard_parent_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-
-  WmWindow* menu_container =
-      CreateContainer(kShellWindowId_MenuContainer, "MenuContainer",
-                      lock_screen_related_containers);
-  menu_container->SetChildWindowVisibilityChangesAnimated();
-  menu_container->SetSnapsChildrenToPhysicalPixelBoundary();
-  menu_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-
-  WmWindow* drag_drop_container = CreateContainer(
-      kShellWindowId_DragImageAndTooltipContainer,
-      "DragImageAndTooltipContainer", lock_screen_related_containers);
-  drag_drop_container->SetChildWindowVisibilityChangesAnimated();
-  drag_drop_container->SetSnapsChildrenToPhysicalPixelBoundary();
-  drag_drop_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-
-  WmWindow* overlay_container =
-      CreateContainer(kShellWindowId_OverlayContainer, "OverlayContainer",
-                      lock_screen_related_containers);
-  overlay_container->SetSnapsChildrenToPhysicalPixelBoundary();
-  overlay_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-
-  WmWindow* mouse_cursor_container = CreateContainer(
-      kShellWindowId_MouseCursorContainer, "MouseCursorContainer", root_);
-  mouse_cursor_container->SetBoundsInScreenBehaviorForChildren(
-      WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-
-  CreateContainer(kShellWindowId_PowerButtonAnimationContainer,
-                  "PowerButtonAnimationContainer", root_);
-}
-
-void WmRootWindowController::CreateLayoutManagers() {
-  GetShelf()->CreateShelfWidget(GetWindow());
-
-  root_window_layout_manager_ = new wm::RootWindowLayoutManager(root_);
-  root_->SetLayoutManager(base::WrapUnique(root_window_layout_manager_));
-
-  WmWindow* default_container = GetContainer(kShellWindowId_DefaultContainer);
-  // Installs WorkspaceLayoutManager on |default_container|.
-  workspace_controller_.reset(new WorkspaceController(default_container));
-
-  WmWindow* modal_container = GetContainer(kShellWindowId_SystemModalContainer);
-  DCHECK(modal_container);
-  modal_container->SetLayoutManager(
-      base::MakeUnique<SystemModalContainerLayoutManager>(modal_container));
-
-  WmWindow* lock_modal_container =
-      GetContainer(kShellWindowId_LockSystemModalContainer);
-  DCHECK(lock_modal_container);
-  lock_modal_container->SetLayoutManager(
-      base::MakeUnique<SystemModalContainerLayoutManager>(
-          lock_modal_container));
-
-  WmWindow* lock_container = GetContainer(kShellWindowId_LockScreenContainer);
-  DCHECK(lock_container);
-  lock_container->SetLayoutManager(
-      base::MakeUnique<LockLayoutManager>(lock_container));
-
-  WmWindow* always_on_top_container =
-      GetContainer(kShellWindowId_AlwaysOnTopContainer);
-  DCHECK(always_on_top_container);
-  always_on_top_controller_ =
-      base::MakeUnique<AlwaysOnTopController>(always_on_top_container);
-
-  // Create Docked windows layout manager
-  WmWindow* docked_container = GetContainer(kShellWindowId_DockedContainer);
-  docked_window_layout_manager_ =
-      new DockedWindowLayoutManager(docked_container);
-  docked_container->SetLayoutManager(
-      base::WrapUnique(docked_window_layout_manager_));
-
-  // Create Panel layout manager
-  WmWindow* panel_container = GetContainer(kShellWindowId_PanelContainer);
-  panel_layout_manager_ = new PanelLayoutManager(panel_container);
-  panel_container->SetLayoutManager(base::WrapUnique(panel_layout_manager_));
-
-  wm::WmSnapToPixelLayoutManager::InstallOnContainers(root_);
-}
-
-void WmRootWindowController::ResetRootForNewWindowsIfNecessary() {
-  WmShell* shell = WmShell::Get();
-  // Change the target root window before closing child windows. If any child
-  // being removed triggers a relayout of the shelf it will try to build a
-  // window list adding windows from the target root window's containers which
-  // may have already gone away.
-  if (shell->GetRootWindowForNewWindows() == GetWindow()) {
-    // The root window for new windows is being destroyed. Switch to the primary
-    // root window if possible.
-    WmWindow* primary_root = shell->GetPrimaryRootWindow();
-    shell->set_root_window_for_new_windows(
-        primary_root == GetWindow() ? nullptr : primary_root);
-  }
-}
-
-void WmRootWindowController::CloseChildWindows() {
-  // NOTE: this may be called multiple times.
-
-  // |panel_layout_manager_| needs to be shut down before windows are destroyed.
-  if (panel_layout_manager_) {
-    panel_layout_manager_->Shutdown();
-    panel_layout_manager_ = nullptr;
-  }
-
-  // |docked_window_layout_manager_| needs to be shut down before windows are
-  // destroyed.
-  if (docked_window_layout_manager_) {
-    docked_window_layout_manager_->Shutdown();
-    docked_window_layout_manager_ = nullptr;
-  }
-
-  WmShelf* shelf = GetShelf();
-  shelf->ShutdownShelfWidget();
-
-  workspace_controller_.reset();
-
-  // Explicitly destroy top level windows. We do this because such windows may
-  // query the RootWindow for state.
-  WmWindowTracker non_toplevel_windows;
-  non_toplevel_windows.Add(root_);
-  while (!non_toplevel_windows.windows().empty()) {
-    WmWindow* non_toplevel_window = non_toplevel_windows.Pop();
-    WmWindowTracker toplevel_windows;
-    for (WmWindow* child : non_toplevel_window->GetChildren()) {
-      if (!ShouldDestroyWindowInCloseChildWindows(child))
-        continue;
-      if (child->HasNonClientArea())
-        toplevel_windows.Add(child);
-      else
-        non_toplevel_windows.Add(child);
-    }
-    while (!toplevel_windows.windows().empty())
-      toplevel_windows.Pop()->Destroy();
-  }
-  // And then remove the containers.
-  while (!root_->GetChildren().empty()) {
-    WmWindow* child = root_->GetChildren()[0];
-    if (ShouldDestroyWindowInCloseChildWindows(child))
-      child->Destroy();
-    else
-      root_->RemoveChild(child);
-  }
-
-  shelf->DestroyShelfWidget();
-
-  // CloseChildWindows() may be called twice during the shutdown of ash
-  // unittests. Avoid notifying WmShelf that the shelf has been destroyed twice.
-  if (shelf->IsShelfInitialized())
-    shelf->ShutdownShelf();
-}
-
-bool WmRootWindowController::ShouldDestroyWindowInCloseChildWindows(
-    WmWindow* window) {
-  if (!WmWindowAura::GetAuraWindow(window)->owned_by_parent())
-    return false;
-
-  if (aura::Env::GetInstance()->mode() == aura::Env::Mode::LOCAL)
-    return true;
-
-  aura::WindowMus* window_mus =
-      aura::WindowMus::Get(WmWindowAura::GetAuraWindow(window));
-  return Shell::window_tree_client()->WasCreatedByThisClient(window_mus) ||
-         Shell::window_tree_client()->IsRoot(window_mus);
-}
-
-void WmRootWindowController::OnMenuClosed() {
-  menu_runner_.reset();
-  menu_model_adapter_.reset();
-  menu_model_.reset();
-  GetShelf()->UpdateVisibilityState();
-}
-
-}  // namespace ash