Revert "chromeos: Move files in //ash/common to //ash, part 3"

ash/wm_window.cc

Index: ash/wm_window.cc
diff --git a/ash/wm_window.cc b/ash/wm_window.cc
deleted file mode 100644
index 140e7606288202bf21eece4fea263d724d8e4524..0000000000000000000000000000000000000000
--- a/ash/wm_window.cc
+++ /dev/null
@@ -1,805 +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/wm_window.h"
-
-#include "ash/ash_constants.h"
-#include "ash/aura/aura_layout_manager_adapter.h"
-#include "ash/aura/wm_shell_aura.h"
-#include "ash/public/cpp/shell_window_ids.h"
-#include "ash/public/cpp/window_properties.h"
-#include "ash/root_window_controller.h"
-#include "ash/shelf/shelf_item_types.h"
-#include "ash/shell.h"
-#include "ash/wm/resize_handle_window_targeter.h"
-#include "ash/wm/resize_shadow_controller.h"
-#include "ash/wm/window_animations.h"
-#include "ash/wm/window_mirror_view.h"
-#include "ash/wm/window_properties.h"
-#include "ash/wm/window_state.h"
-#include "ash/wm/window_state_aura.h"
-#include "ash/wm/window_util.h"
-#include "ash/wm_layout_manager.h"
-#include "ash/wm_transient_window_observer.h"
-#include "base/memory/ptr_util.h"
-#include "services/ui/public/interfaces/window_manager_constants.mojom.h"
-#include "ui/aura/client/aura_constants.h"
-#include "ui/aura/client/focus_client.h"
-#include "ui/aura/client/window_parenting_client.h"
-#include "ui/aura/env.h"
-#include "ui/aura/layout_manager.h"
-#include "ui/aura/mus/window_manager_delegate.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_delegate.h"
-#include "ui/aura/window_observer.h"
-#include "ui/base/class_property.h"
-#include "ui/base/hit_test.h"
-#include "ui/compositor/layer_tree_owner.h"
-#include "ui/compositor/scoped_layer_animation_settings.h"
-#include "ui/display/screen.h"
-#include "ui/gfx/geometry/insets.h"
-#include "ui/views/widget/widget.h"
-#include "ui/views/widget/widget_delegate.h"
-#include "ui/wm/core/coordinate_conversion.h"
-#include "ui/wm/core/easy_resize_window_targeter.h"
-#include "ui/wm/core/transient_window_manager.h"
-#include "ui/wm/core/visibility_controller.h"
-#include "ui/wm/core/window_util.h"
-
-DECLARE_UI_CLASS_PROPERTY_TYPE(ash::WmWindow*);
-
-namespace ash {
-
-DEFINE_OWNED_UI_CLASS_PROPERTY_KEY(WmWindow, kWmWindowKey, nullptr);
-
-static_assert(aura::Window::kInitialId == kShellWindowId_Invalid,
-              "ids must match");
-
-namespace {
-
-// A tentative class to set the bounds on the window.
-// TODO(oshima): Once all logic is cleaned up, move this to the real layout
-// manager with proper friendship.
-class BoundsSetter : public aura::LayoutManager {
- public:
-  BoundsSetter() {}
-  ~BoundsSetter() override {}
-
-  // aura::LayoutManager overrides:
-  void OnWindowResized() override {}
-  void OnWindowAddedToLayout(aura::Window* child) override {}
-  void OnWillRemoveWindowFromLayout(aura::Window* child) override {}
-  void OnWindowRemovedFromLayout(aura::Window* child) override {}
-  void OnChildWindowVisibilityChanged(aura::Window* child,
-                                      bool visible) override {}
-  void SetChildBounds(aura::Window* child,
-                      const gfx::Rect& requested_bounds) override {}
-
-  void SetBounds(aura::Window* window, const gfx::Rect& bounds) {
-    SetChildBoundsDirect(window, bounds);
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(BoundsSetter);
-};
-
-}  // namespace
-
-// static
-bool WmWindow::default_use_empty_minimum_size_for_testing_ = false;
-
-WmWindow::~WmWindow() {
-  if (added_transient_observer_)
-    ::wm::TransientWindowManager::Get(window_)->RemoveObserver(this);
-
-  window_->RemoveObserver(this);
-}
-
-// static
-const WmWindow* WmWindow::Get(const aura::Window* window) {
-  if (!window)
-    return nullptr;
-
-  const WmWindow* wm_window = window->GetProperty(kWmWindowKey);
-  if (wm_window)
-    return wm_window;
-  // WmWindow is owned by the aura::Window.
-  // TODO(sky): fix constness.
-  return new WmWindow(const_cast<aura::Window*>(window));
-}
-
-// static
-std::vector<WmWindow*> WmWindow::FromAuraWindows(
-    const std::vector<aura::Window*>& aura_windows) {
-  std::vector<WmWindow*> result(aura_windows.size());
-  for (size_t i = 0; i < aura_windows.size(); ++i)
-    result[i] = Get(aura_windows[i]);
-  return result;
-}
-
-// static
-std::vector<aura::Window*> WmWindow::ToAuraWindows(
-    const std::vector<WmWindow*>& windows) {
-  std::vector<aura::Window*> result(windows.size());
-  for (size_t i = 0; i < windows.size(); ++i)
-    result[i] = WmWindow::GetAuraWindow(windows[i]);
-  return result;
-}
-
-// static
-const aura::Window* WmWindow::GetAuraWindow(const WmWindow* wm_window) {
-  return wm_window ? static_cast<const WmWindow*>(wm_window)->aura_window()
-                   : nullptr;
-}
-
-bool WmWindow::ShouldUseExtendedHitRegion() const {
-  const WmWindow* parent = Get(window_->parent());
-  return parent &&
-         static_cast<const WmWindow*>(parent)
-             ->children_use_extended_hit_region_;
-}
-
-void WmWindow::Destroy() {
-  delete window_;
-  // WARNING: this has been deleted.
-}
-
-const WmWindow* WmWindow::GetRootWindow() const {
-  return Get(window_->GetRootWindow());
-}
-
-RootWindowController* WmWindow::GetRootWindowController() {
-  aura::Window* root = window_->GetRootWindow();
-  return root ? RootWindowController::ForWindow(root) : nullptr;
-}
-
-WmShell* WmWindow::GetShell() const {
-  return WmShell::Get();
-}
-
-void WmWindow::SetName(const char* name) {
-  window_->SetName(name);
-}
-
-std::string WmWindow::GetName() const {
-  return window_->GetName();
-}
-
-void WmWindow::SetTitle(const base::string16& title) {
-  window_->SetTitle(title);
-}
-
-base::string16 WmWindow::GetTitle() const {
-  return window_->GetTitle();
-}
-
-void WmWindow::SetShellWindowId(int id) {
-  window_->set_id(id);
-}
-
-int WmWindow::GetShellWindowId() const {
-  return window_->id();
-}
-
-ui::wm::WindowType WmWindow::GetType() const {
-  return window_->type();
-}
-
-int WmWindow::GetAppType() const {
-  return window_->GetProperty(aura::client::kAppType);
-}
-
-void WmWindow::SetAppType(int app_type) const {
-  window_->SetProperty(aura::client::kAppType, app_type);
-}
-
-ui::Layer* WmWindow::GetLayer() {
-  return window_->layer();
-}
-
-bool WmWindow::GetLayerTargetVisibility() {
-  return GetLayer()->GetTargetVisibility();
-}
-
-bool WmWindow::GetLayerVisible() {
-  return GetLayer()->visible();
-}
-
-display::Display WmWindow::GetDisplayNearestWindow() {
-  return display::Screen::GetScreen()->GetDisplayNearestWindow(window_);
-}
-
-bool WmWindow::HasNonClientArea() {
-  return window_->delegate() ? true : false;
-}
-
-int WmWindow::GetNonClientComponent(const gfx::Point& location) {
-  return window_->delegate()
-             ? window_->delegate()->GetNonClientComponent(location)
-             : HTNOWHERE;
-}
-
-gfx::Point WmWindow::ConvertPointToTarget(const WmWindow* target,
-                                          const gfx::Point& point) const {
-  gfx::Point result(point);
-  aura::Window::ConvertPointToTarget(window_, GetAuraWindow(target), &result);
-  return result;
-}
-
-gfx::Point WmWindow::ConvertPointToScreen(const gfx::Point& point) const {
-  gfx::Point result(point);
-  ::wm::ConvertPointToScreen(window_, &result);
-  return result;
-}
-
-gfx::Point WmWindow::ConvertPointFromScreen(const gfx::Point& point) const {
-  gfx::Point result(point);
-  ::wm::ConvertPointFromScreen(window_, &result);
-  return result;
-}
-
-gfx::Rect WmWindow::ConvertRectToScreen(const gfx::Rect& rect) const {
-  gfx::Rect result(rect);
-  ::wm::ConvertRectToScreen(window_, &result);
-  return result;
-}
-
-gfx::Rect WmWindow::ConvertRectFromScreen(const gfx::Rect& rect) const {
-  gfx::Rect result(rect);
-  ::wm::ConvertRectFromScreen(window_, &result);
-  return result;
-}
-
-gfx::Size WmWindow::GetMinimumSize() const {
-  return window_->delegate() && !use_empty_minimum_size_for_testing_
-             ? window_->delegate()->GetMinimumSize()
-             : gfx::Size();
-}
-
-gfx::Size WmWindow::GetMaximumSize() const {
-  return window_->delegate() ? window_->delegate()->GetMaximumSize()
-                             : gfx::Size();
-}
-
-bool WmWindow::GetTargetVisibility() const {
-  return window_->TargetVisibility();
-}
-
-bool WmWindow::IsVisible() const {
-  return window_->IsVisible();
-}
-
-void WmWindow::SetOpacity(float opacity) {
-  window_->layer()->SetOpacity(opacity);
-}
-
-float WmWindow::GetTargetOpacity() const {
-  return window_->layer()->GetTargetOpacity();
-}
-
-gfx::Rect WmWindow::GetMinimizeAnimationTargetBoundsInScreen() const {
-  return ash::GetMinimizeAnimationTargetBoundsInScreen(window_);
-}
-
-void WmWindow::SetTransform(const gfx::Transform& transform) {
-  window_->SetTransform(transform);
-}
-
-gfx::Transform WmWindow::GetTargetTransform() const {
-  return window_->layer()->GetTargetTransform();
-}
-
-bool WmWindow::IsSystemModal() const {
-  return window_->GetProperty(aura::client::kModalKey) == ui::MODAL_TYPE_SYSTEM;
-}
-
-const wm::WindowState* WmWindow::GetWindowState() const {
-  return ash::wm::GetWindowState(window_);
-}
-
-WmWindow* WmWindow::GetToplevelWindow() {
-  return Get(window_->GetToplevelWindow());
-}
-
-WmWindow* WmWindow::GetToplevelWindowForFocus() {
-  return Get(::wm::GetToplevelWindow(window_));
-}
-
-void WmWindow::SetParentUsingContext(WmWindow* context,
-                                     const gfx::Rect& screen_bounds) {
-  aura::client::ParentWindowWithContext(window_, GetAuraWindow(context),
-                                        screen_bounds);
-}
-
-void WmWindow::AddChild(WmWindow* window) {
-  window_->AddChild(GetAuraWindow(window));
-}
-
-void WmWindow::RemoveChild(WmWindow* child) {
-  window_->RemoveChild(GetAuraWindow(child));
-}
-
-const WmWindow* WmWindow::GetParent() const {
-  return Get(window_->parent());
-}
-
-const WmWindow* WmWindow::GetTransientParent() const {
-  return Get(::wm::GetTransientParent(window_));
-}
-
-std::vector<WmWindow*> WmWindow::GetTransientChildren() {
-  return FromAuraWindows(::wm::GetTransientChildren(window_));
-}
-
-bool WmWindow::MoveToEventRoot(const ui::Event& event) {
-  return ash::wm::MoveWindowToEventRoot(window_, event);
-}
-
-void WmWindow::SetLayoutManager(
-    std::unique_ptr<WmLayoutManager> layout_manager) {
-  // See ~AuraLayoutManagerAdapter for why SetLayoutManager(nullptr) is called.
-  window_->SetLayoutManager(nullptr);
-  if (!layout_manager)
-    return;
-
-  // |window_| takes ownership of AuraLayoutManagerAdapter.
-  window_->SetLayoutManager(
-      new AuraLayoutManagerAdapter(window_, std::move(layout_manager)));
-}
-
-WmLayoutManager* WmWindow::GetLayoutManager() {
-  AuraLayoutManagerAdapter* adapter = AuraLayoutManagerAdapter::Get(window_);
-  return adapter ? adapter->wm_layout_manager() : nullptr;
-}
-
-void WmWindow::SetVisibilityChangesAnimated() {
-  ::wm::SetWindowVisibilityChangesAnimated(window_);
-}
-
-void WmWindow::SetVisibilityAnimationType(int type) {
-  ::wm::SetWindowVisibilityAnimationType(window_, type);
-}
-
-void WmWindow::SetVisibilityAnimationDuration(base::TimeDelta delta) {
-  ::wm::SetWindowVisibilityAnimationDuration(window_, delta);
-}
-
-void WmWindow::SetVisibilityAnimationTransition(
-    ::wm::WindowVisibilityAnimationTransition transition) {
-  ::wm::SetWindowVisibilityAnimationTransition(window_, transition);
-}
-
-void WmWindow::Animate(::wm::WindowAnimationType type) {
-  ::wm::AnimateWindow(window_, type);
-}
-
-void WmWindow::StopAnimatingProperty(
-    ui::LayerAnimationElement::AnimatableProperty property) {
-  window_->layer()->GetAnimator()->StopAnimatingProperty(property);
-}
-
-void WmWindow::SetChildWindowVisibilityChangesAnimated() {
-  ::wm::SetChildWindowVisibilityChangesAnimated(window_);
-}
-
-void WmWindow::SetMasksToBounds(bool value) {
-  window_->layer()->SetMasksToBounds(value);
-}
-
-void WmWindow::SetBounds(const gfx::Rect& bounds) {
-  window_->SetBounds(bounds);
-}
-
-void WmWindow::SetBoundsWithTransitionDelay(const gfx::Rect& bounds,
-                                            base::TimeDelta delta) {
-  if (::wm::WindowAnimationsDisabled(window_)) {
-    window_->SetBounds(bounds);
-    return;
-  }
-
-  ui::ScopedLayerAnimationSettings settings(window_->layer()->GetAnimator());
-  settings.SetTransitionDuration(delta);
-  window_->SetBounds(bounds);
-}
-
-void WmWindow::SetBoundsDirect(const gfx::Rect& bounds) {
-  BoundsSetter().SetBounds(window_, bounds);
-  wm::SnapWindowToPixelBoundary(window_);
-}
-
-void WmWindow::SetBoundsDirectAnimated(const gfx::Rect& bounds) {
-  const int kBoundsChangeSlideDurationMs = 120;
-
-  ui::Layer* layer = window_->layer();
-  ui::ScopedLayerAnimationSettings slide_settings(layer->GetAnimator());
-  slide_settings.SetPreemptionStrategy(
-      ui::LayerAnimator::IMMEDIATELY_ANIMATE_TO_NEW_TARGET);
-  slide_settings.SetTransitionDuration(
-      base::TimeDelta::FromMilliseconds(kBoundsChangeSlideDurationMs));
-  SetBoundsDirect(bounds);
-}
-
-void WmWindow::SetBoundsDirectCrossFade(const gfx::Rect& bounds) {
-  const gfx::Rect old_bounds = window_->bounds();
-
-  // Create fresh layers for the window and all its children to paint into.
-  // Takes ownership of the old layer and all its children, which will be
-  // cleaned up after the animation completes.
-  // Specify |set_bounds| to true here to keep the old bounds in the child
-  // windows of |window|.
-  std::unique_ptr<ui::LayerTreeOwner> old_layer_owner =
-      ::wm::RecreateLayers(window_);
-  ui::Layer* old_layer = old_layer_owner->root();
-  DCHECK(old_layer);
-  ui::Layer* new_layer = window_->layer();
-
-  // Resize the window to the new size, which will force a layout and paint.
-  SetBoundsDirect(bounds);
-
-  // Ensure the higher-resolution layer is on top.
-  bool old_on_top = (old_bounds.width() > bounds.width());
-  if (old_on_top)
-    old_layer->parent()->StackBelow(new_layer, old_layer);
-  else
-    old_layer->parent()->StackAbove(new_layer, old_layer);
-
-  CrossFadeAnimation(window_, std::move(old_layer_owner), gfx::Tween::EASE_OUT);
-}
-
-void WmWindow::SetBoundsInScreen(const gfx::Rect& bounds_in_screen,
-                                 const display::Display& dst_display) {
-  window_->SetBoundsInScreen(bounds_in_screen, dst_display);
-}
-
-gfx::Rect WmWindow::GetBoundsInScreen() const {
-  return window_->GetBoundsInScreen();
-}
-
-const gfx::Rect& WmWindow::GetBounds() const {
-  return window_->bounds();
-}
-
-gfx::Rect WmWindow::GetTargetBounds() {
-  return window_->GetTargetBounds();
-}
-
-void WmWindow::ClearRestoreBounds() {
-  window_->ClearProperty(aura::client::kRestoreBoundsKey);
-}
-
-void WmWindow::SetRestoreBoundsInScreen(const gfx::Rect& bounds) {
-  window_->SetProperty(aura::client::kRestoreBoundsKey, new gfx::Rect(bounds));
-}
-
-gfx::Rect WmWindow::GetRestoreBoundsInScreen() const {
-  gfx::Rect* bounds = window_->GetProperty(aura::client::kRestoreBoundsKey);
-  return bounds ? *bounds : gfx::Rect();
-}
-
-bool WmWindow::Contains(const WmWindow* other) const {
-  return other ? window_->Contains(static_cast<const WmWindow*>(other)->window_)
-               : false;
-}
-
-void WmWindow::SetShowState(ui::WindowShowState show_state) {
-  window_->SetProperty(aura::client::kShowStateKey, show_state);
-}
-
-ui::WindowShowState WmWindow::GetShowState() const {
-  return window_->GetProperty(aura::client::kShowStateKey);
-}
-
-void WmWindow::SetPreMinimizedShowState(ui::WindowShowState show_state) {
-  window_->SetProperty(aura::client::kPreMinimizedShowStateKey, show_state);
-}
-
-ui::WindowShowState WmWindow::GetPreMinimizedShowState() const {
-  return window_->GetProperty(aura::client::kPreMinimizedShowStateKey);
-}
-
-void WmWindow::SetPreFullscreenShowState(ui::WindowShowState show_state) {
-  // We should never store the ui::SHOW_STATE_MINIMIZED as the show state before
-  // fullscreen.
-  DCHECK_NE(show_state, ui::SHOW_STATE_MINIMIZED);
-  window_->SetProperty(aura::client::kPreFullscreenShowStateKey, show_state);
-}
-
-void WmWindow::SetRestoreOverrides(const gfx::Rect& bounds_override,
-                                   ui::WindowShowState window_state_override) {
-  if (bounds_override.IsEmpty()) {
-    window_->ClearProperty(kRestoreShowStateOverrideKey);
-    window_->ClearProperty(kRestoreBoundsOverrideKey);
-    return;
-  }
-  window_->SetProperty(kRestoreShowStateOverrideKey, window_state_override);
-  window_->SetProperty(kRestoreBoundsOverrideKey,
-                       new gfx::Rect(bounds_override));
-}
-
-void WmWindow::SetLockedToRoot(bool value) {
-  window_->SetProperty(kLockedToRootKey, value);
-}
-
-bool WmWindow::IsLockedToRoot() const {
-  return window_->GetProperty(kLockedToRootKey);
-}
-
-void WmWindow::SetCapture() {
-  window_->SetCapture();
-}
-
-bool WmWindow::HasCapture() {
-  return window_->HasCapture();
-}
-
-void WmWindow::ReleaseCapture() {
-  window_->ReleaseCapture();
-}
-
-bool WmWindow::HasRestoreBounds() const {
-  return window_->GetProperty(aura::client::kRestoreBoundsKey) != nullptr;
-}
-
-bool WmWindow::CanMaximize() const {
-  return (window_->GetProperty(aura::client::kResizeBehaviorKey) &
-          ui::mojom::kResizeBehaviorCanMaximize) != 0;
-}
-
-bool WmWindow::CanMinimize() const {
-  return (window_->GetProperty(aura::client::kResizeBehaviorKey) &
-          ui::mojom::kResizeBehaviorCanMinimize) != 0;
-}
-
-bool WmWindow::CanResize() const {
-  return (window_->GetProperty(aura::client::kResizeBehaviorKey) &
-          ui::mojom::kResizeBehaviorCanResize) != 0;
-}
-
-bool WmWindow::CanActivate() const {
-  // TODO(sky): for aura-mus need to key off CanFocus() as well, which is not
-  // currently mirrored to ash.
-  return ::wm::CanActivateWindow(window_);
-}
-
-void WmWindow::StackChildAtTop(WmWindow* child) {
-  window_->StackChildAtTop(GetAuraWindow(child));
-}
-
-void WmWindow::StackChildAtBottom(WmWindow* child) {
-  window_->StackChildAtBottom(GetAuraWindow(child));
-}
-
-void WmWindow::StackChildAbove(WmWindow* child, WmWindow* target) {
-  window_->StackChildAbove(GetAuraWindow(child), GetAuraWindow(target));
-}
-
-void WmWindow::StackChildBelow(WmWindow* child, WmWindow* target) {
-  window_->StackChildBelow(GetAuraWindow(child), GetAuraWindow(target));
-}
-
-void WmWindow::SetPinned(bool trusted) {
-  if (aura::Env::GetInstance()->mode() == aura::Env::Mode::MUS) {
-    // TODO: fix, see http://crbug.com/622486. With aura-mus pinning may just
-    // work.
-    NOTIMPLEMENTED();
-    return;
-  }
-  wm::PinWindow(window_, trusted);
-}
-
-void WmWindow::SetAlwaysOnTop(bool value) {
-  window_->SetProperty(aura::client::kAlwaysOnTopKey, value);
-}
-
-bool WmWindow::IsAlwaysOnTop() const {
-  return window_->GetProperty(aura::client::kAlwaysOnTopKey);
-}
-
-void WmWindow::Hide() {
-  window_->Hide();
-}
-
-void WmWindow::Show() {
-  window_->Show();
-}
-
-views::Widget* WmWindow::GetInternalWidget() {
-  return window_->GetProperty(kWidgetCreationTypeKey) ==
-                 WidgetCreationType::INTERNAL
-             ? views::Widget::GetWidgetForNativeView(window_)
-             : nullptr;
-}
-
-void WmWindow::CloseWidget() {
-  if (aura::Env::GetInstance()->mode() == aura::Env::Mode::MUS &&
-      aura_window()->GetProperty(kWidgetCreationTypeKey) ==
-          WidgetCreationType::FOR_CLIENT) {
-    // NOTE: in the FOR_CLIENT case there is not necessarily a widget associated
-    // with the window. Mash only creates widgets for top level windows if mash
-    // renders the non-client frame.
-    DCHECK(Shell::window_manager_client());
-    Shell::window_manager_client()->RequestClose(aura_window());
-    return;
-  }
-  DCHECK(GetInternalWidget());
-  GetInternalWidget()->Close();
-}
-
-void WmWindow::SetFocused() {
-  aura::client::GetFocusClient(window_)->FocusWindow(window_);
-}
-
-bool WmWindow::IsFocused() const {
-  return window_->HasFocus();
-}
-
-bool WmWindow::IsActive() const {
-  return wm::IsActiveWindow(window_);
-}
-
-void WmWindow::Activate() {
-  wm::ActivateWindow(window_);
-}
-
-void WmWindow::Deactivate() {
-  wm::DeactivateWindow(window_);
-}
-
-void WmWindow::SetFullscreen(bool fullscreen) {
-  ::wm::SetWindowFullscreen(window_, fullscreen);
-}
-
-void WmWindow::Maximize() {
-  window_->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
-}
-
-void WmWindow::Minimize() {
-  window_->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MINIMIZED);
-}
-
-void WmWindow::Unminimize() {
-  window_->SetProperty(
-      aura::client::kShowStateKey,
-      window_->GetProperty(aura::client::kPreMinimizedShowStateKey));
-  window_->ClearProperty(aura::client::kPreMinimizedShowStateKey);
-}
-
-std::vector<WmWindow*> WmWindow::GetChildren() {
-  return FromAuraWindows(window_->children());
-}
-
-WmWindow* WmWindow::GetChildByShellWindowId(int id) {
-  return Get(window_->GetChildById(id));
-}
-
-void WmWindow::ShowResizeShadow(int component) {
-  if (aura::Env::GetInstance()->mode() == aura::Env::Mode::MUS) {
-    // TODO: http://crbug.com/640773.
-    return;
-  }
-  ResizeShadowController* resize_shadow_controller =
-      Shell::GetInstance()->resize_shadow_controller();
-  if (resize_shadow_controller)
-    resize_shadow_controller->ShowShadow(window_, component);
-}
-
-void WmWindow::HideResizeShadow() {
-  if (aura::Env::GetInstance()->mode() == aura::Env::Mode::MUS) {
-    // TODO: http://crbug.com/640773.
-    return;
-  }
-  ResizeShadowController* resize_shadow_controller =
-      Shell::GetInstance()->resize_shadow_controller();
-  if (resize_shadow_controller)
-    resize_shadow_controller->HideShadow(window_);
-}
-
-void WmWindow::InstallResizeHandleWindowTargeter(
-    ImmersiveFullscreenController* immersive_fullscreen_controller) {
-  window_->SetEventTargeter(base::MakeUnique<ResizeHandleWindowTargeter>(
-      window_, immersive_fullscreen_controller));
-}
-
-void WmWindow::SetBoundsInScreenBehaviorForChildren(
-    BoundsInScreenBehavior behavior) {
-  window_->SetProperty(
-      kUsesScreenCoordinatesKey,
-      behavior == BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
-}
-
-void WmWindow::SetSnapsChildrenToPhysicalPixelBoundary() {
-  wm::SetSnapsChildrenToPhysicalPixelBoundary(window_);
-}
-
-void WmWindow::SnapToPixelBoundaryIfNecessary() {
-  wm::SnapWindowToPixelBoundary(window_);
-}
-
-void WmWindow::SetChildrenUseExtendedHitRegion() {
-  children_use_extended_hit_region_ = true;
-  gfx::Insets mouse_extend(-kResizeOutsideBoundsSize, -kResizeOutsideBoundsSize,
-                           -kResizeOutsideBoundsSize,
-                           -kResizeOutsideBoundsSize);
-  gfx::Insets touch_extend =
-      mouse_extend.Scale(kResizeOutsideBoundsScaleForTouch);
-  // TODO: EasyResizeWindowTargeter makes it so children get events outside
-  // their bounds. This only works in mash when mash is providing the non-client
-  // frame. Mus needs to support an api for the WindowManager that enables
-  // events to be dispatched to windows outside the windows bounds that this
-  // function calls into. http://crbug.com/679056.
-  window_->SetEventTargeter(base::MakeUnique<::wm::EasyResizeWindowTargeter>(
-      window_, mouse_extend, touch_extend));
-}
-
-std::unique_ptr<views::View> WmWindow::CreateViewWithRecreatedLayers() {
-  return base::MakeUnique<wm::WindowMirrorView>(this);
-}
-
-void WmWindow::AddTransientWindowObserver(WmTransientWindowObserver* observer) {
-  if (!added_transient_observer_) {
-    added_transient_observer_ = true;
-    ::wm::TransientWindowManager::Get(window_)->AddObserver(this);
-  }
-  transient_observers_.AddObserver(observer);
-}
-
-void WmWindow::RemoveTransientWindowObserver(
-    WmTransientWindowObserver* observer) {
-  transient_observers_.RemoveObserver(observer);
-  if (added_transient_observer_ &&
-      !transient_observers_.might_have_observers()) {
-    added_transient_observer_ = false;
-    ::wm::TransientWindowManager::Get(window_)->RemoveObserver(this);
-  }
-}
-
-void WmWindow::AddLimitedPreTargetHandler(ui::EventHandler* handler) {
-  // In mus AddPreTargetHandler() only works for windows created by this client.
-  DCHECK(aura::Env::GetInstance()->mode() == aura::Env::Mode::LOCAL ||
-         Shell::window_tree_client()->WasCreatedByThisClient(
-             aura::WindowMus::Get(window_)));
-  window_->AddPreTargetHandler(handler);
-}
-
-void WmWindow::RemoveLimitedPreTargetHandler(ui::EventHandler* handler) {
-  window_->RemovePreTargetHandler(handler);
-}
-
-WmWindow::WmWindow(aura::Window* window)
-    : window_(window),
-      use_empty_minimum_size_for_testing_(
-          default_use_empty_minimum_size_for_testing_) {
-  window_->AddObserver(this);
-  window_->SetProperty(kWmWindowKey, this);
-}
-
-void WmWindow::OnWindowPropertyChanged(aura::Window* window,
-                                       const void* key,
-                                       intptr_t old) {
-  if (key == aura::client::kShowStateKey) {
-    ash::wm::GetWindowState(window_)->OnWindowShowStateChanged();
-    return;
-  }
-  if (key == aura::client::kImmersiveFullscreenKey) {
-    bool enable = window_->GetProperty(aura::client::kImmersiveFullscreenKey);
-    GetWindowState()->set_in_immersive_fullscreen(enable);
-    return;
-  }
-}
-
-void WmWindow::OnTransientChildAdded(aura::Window* window,
-                                     aura::Window* transient) {
-  for (auto& observer : transient_observers_)
-    observer.OnTransientChildAdded(this, Get(transient));
-}
-
-void WmWindow::OnTransientChildRemoved(aura::Window* window,
-                                       aura::Window* transient) {
-  for (auto& observer : transient_observers_)
-    observer.OnTransientChildRemoved(this, Get(transient));
-}
-
-}  // namespace ash