It is time.

ui/views/widget/widget.cc

-// Copyright (c) 2012 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/widget/widget.h"
-
-#include "base/debug/trace_event.h"
-#include "base/logging.h"
-#include "base/message_loop/message_loop.h"
-#include "base/strings/utf_string_conversions.h"
-#include "ui/base/cursor/cursor.h"
-#include "ui/base/default_theme_provider.h"
-#include "ui/base/hit_test.h"
-#include "ui/base/l10n/l10n_font_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/compositor/compositor.h"
-#include "ui/compositor/layer.h"
-#include "ui/events/event.h"
-#include "ui/gfx/image/image_skia.h"
-#include "ui/gfx/screen.h"
-#include "ui/views/controls/menu/menu_controller.h"
-#include "ui/views/focus/focus_manager.h"
-#include "ui/views/focus/focus_manager_factory.h"
-#include "ui/views/focus/view_storage.h"
-#include "ui/views/focus/widget_focus_manager.h"
-#include "ui/views/ime/input_method.h"
-#include "ui/views/views_delegate.h"
-#include "ui/views/widget/native_widget_private.h"
-#include "ui/views/widget/root_view.h"
-#include "ui/views/widget/tooltip_manager.h"
-#include "ui/views/widget/widget_delegate.h"
-#include "ui/views/widget/widget_deletion_observer.h"
-#include "ui/views/widget/widget_observer.h"
-#include "ui/views/widget/widget_removals_observer.h"
-#include "ui/views/window/custom_frame_view.h"
-#include "ui/views/window/dialog_delegate.h"
-
-namespace views {
-
-namespace {
-
-// If |view| has a layer the layer is added to |layers|. Else this recurses
-// through the children. This is used to build a list of the layers created by
-// views that are direct children of the Widgets layer.
-void BuildRootLayers(View* view, std::vector<ui::Layer*>* layers) {
-  if (view->layer()) {
-    layers->push_back(view->layer());
-  } else {
-    for (int i = 0; i < view->child_count(); ++i)
-      BuildRootLayers(view->child_at(i), layers);
-  }
-}
-
-// Create a native widget implementation.
-// First, use the supplied one if non-NULL.
-// Finally, make a default one.
-NativeWidget* CreateNativeWidget(NativeWidget* native_widget,
-                                 internal::NativeWidgetDelegate* delegate) {
-  if (!native_widget) {
-    native_widget =
-        internal::NativeWidgetPrivate::CreateNativeWidget(delegate);
-  }
-  return native_widget;
-}
-
-}  // namespace
-
-// A default implementation of WidgetDelegate, used by Widget when no
-// WidgetDelegate is supplied.
-class DefaultWidgetDelegate : public WidgetDelegate {
- public:
-  explicit DefaultWidgetDelegate(Widget* widget) : widget_(widget) {
-  }
-  virtual ~DefaultWidgetDelegate() {}
-
-  // Overridden from WidgetDelegate:
-  virtual void DeleteDelegate() override {
-    delete this;
-  }
-  virtual Widget* GetWidget() override {
-    return widget_;
-  }
-  virtual const Widget* GetWidget() const override {
-    return widget_;
-  }
-  virtual bool ShouldAdvanceFocusToTopLevelWidget() const override {
-    // In most situations where a Widget is used without a delegate the Widget
-    // is used as a container, so that we want focus to advance to the top-level
-    // widget. A good example of this is the find bar.
-    return true;
-  }
-
- private:
-  Widget* widget_;
-
-  DISALLOW_COPY_AND_ASSIGN(DefaultWidgetDelegate);
-};
-
-////////////////////////////////////////////////////////////////////////////////
-// Widget, InitParams:
-
-Widget::InitParams::InitParams()
-    : type(TYPE_WINDOW),
-      delegate(NULL),
-      child(false),
-      opacity(INFER_OPACITY),
-      accept_events(true),
-      activatable(ACTIVATABLE_DEFAULT),
-      keep_on_top(false),
-      visible_on_all_workspaces(false),
-      ownership(NATIVE_WIDGET_OWNS_WIDGET),
-      mirror_origin_in_rtl(false),
-      shadow_type(SHADOW_TYPE_DEFAULT),
-      remove_standard_frame(false),
-      use_system_default_icon(false),
-      show_state(ui::SHOW_STATE_DEFAULT),
-      double_buffer(false),
-      parent(NULL),
-      native_widget(NULL),
-      desktop_window_tree_host(NULL),
-      layer_type(aura::WINDOW_LAYER_TEXTURED),
-      context(NULL),
-      force_show_in_taskbar(false) {
-}
-
-Widget::InitParams::InitParams(Type type)
-    : type(type),
-      delegate(NULL),
-      child(false),
-      opacity(INFER_OPACITY),
-      accept_events(true),
-      activatable(ACTIVATABLE_DEFAULT),
-      keep_on_top(type == TYPE_MENU || type == TYPE_DRAG),
-      visible_on_all_workspaces(false),
-      ownership(NATIVE_WIDGET_OWNS_WIDGET),
-      mirror_origin_in_rtl(false),
-      shadow_type(SHADOW_TYPE_DEFAULT),
-      remove_standard_frame(false),
-      use_system_default_icon(false),
-      show_state(ui::SHOW_STATE_DEFAULT),
-      double_buffer(false),
-      parent(NULL),
-      native_widget(NULL),
-      desktop_window_tree_host(NULL),
-      layer_type(aura::WINDOW_LAYER_TEXTURED),
-      context(NULL),
-      force_show_in_taskbar(false) {
-}
-
-Widget::InitParams::~InitParams() {
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// Widget, public:
-
-Widget::Widget()
-    : native_widget_(NULL),
-      widget_delegate_(NULL),
-      non_client_view_(NULL),
-      dragged_view_(NULL),
-      ownership_(InitParams::NATIVE_WIDGET_OWNS_WIDGET),
-      is_secondary_widget_(true),
-      frame_type_(FRAME_TYPE_DEFAULT),
-      disable_inactive_rendering_(false),
-      widget_closed_(false),
-      saved_show_state_(ui::SHOW_STATE_DEFAULT),
-      focus_on_creation_(true),
-      is_top_level_(false),
-      native_widget_initialized_(false),
-      native_widget_destroyed_(false),
-      ignore_capture_loss_(false),
-      last_mouse_event_was_move_(false),
-      auto_release_capture_(true),
-      root_layers_dirty_(false),
-      movement_disabled_(false),
-      observer_manager_(this) {
-}
-
-Widget::~Widget() {
-  DestroyRootView();
-  if (ownership_ == InitParams::WIDGET_OWNS_NATIVE_WIDGET) {
-    delete native_widget_;
-  } else {
-    DCHECK(native_widget_destroyed_)
-        << "Destroying a widget with a live native widget. "
-        << "Widget probably should use WIDGET_OWNS_NATIVE_WIDGET ownership.";
-  }
-}
-
-// static
-Widget* Widget::CreateWindow(WidgetDelegate* delegate) {
-  return CreateWindowWithBounds(delegate, gfx::Rect());
-}
-
-// static
-Widget* Widget::CreateWindowWithBounds(WidgetDelegate* delegate,
-                                       const gfx::Rect& bounds) {
-  Widget* widget = new Widget;
-  Widget::InitParams params;
-  params.bounds = bounds;
-  params.delegate = delegate;
-  widget->Init(params);
-  return widget;
-}
-
-// static
-Widget* Widget::CreateWindowWithParent(WidgetDelegate* delegate,
-                                       gfx::NativeView parent) {
-  return CreateWindowWithParentAndBounds(delegate, parent, gfx::Rect());
-}
-
-// static
-Widget* Widget::CreateWindowWithParentAndBounds(WidgetDelegate* delegate,
-                                                gfx::NativeView parent,
-                                                const gfx::Rect& bounds) {
-  Widget* widget = new Widget;
-  Widget::InitParams params;
-  params.delegate = delegate;
-  params.parent = parent;
-  params.bounds = bounds;
-  widget->Init(params);
-  return widget;
-}
-
-// static
-Widget* Widget::CreateWindowWithContext(WidgetDelegate* delegate,
-                                        gfx::NativeWindow context) {
-  return CreateWindowWithContextAndBounds(delegate, context, gfx::Rect());
-}
-
-// static
-Widget* Widget::CreateWindowWithContextAndBounds(WidgetDelegate* delegate,
-                                                 gfx::NativeWindow context,
-                                                 const gfx::Rect& bounds) {
-  Widget* widget = new Widget;
-  Widget::InitParams params;
-  params.delegate = delegate;
-  params.context = context;
-  params.bounds = bounds;
-  widget->Init(params);
-  return widget;
-}
-
-// static
-Widget* Widget::GetWidgetForNativeView(gfx::NativeView native_view) {
-  internal::NativeWidgetPrivate* native_widget =
-      internal::NativeWidgetPrivate::GetNativeWidgetForNativeView(native_view);
-  return native_widget ? native_widget->GetWidget() : NULL;
-}
-
-// static
-Widget* Widget::GetWidgetForNativeWindow(gfx::NativeWindow native_window) {
-  internal::NativeWidgetPrivate* native_widget =
-      internal::NativeWidgetPrivate::GetNativeWidgetForNativeWindow(
-          native_window);
-  return native_widget ? native_widget->GetWidget() : NULL;
-}
-
-// static
-Widget* Widget::GetTopLevelWidgetForNativeView(gfx::NativeView native_view) {
-  internal::NativeWidgetPrivate* native_widget =
-      internal::NativeWidgetPrivate::GetTopLevelNativeWidget(native_view);
-  return native_widget ? native_widget->GetWidget() : NULL;
-}
-
-
-// static
-void Widget::GetAllChildWidgets(gfx::NativeView native_view,
-                                Widgets* children) {
-  internal::NativeWidgetPrivate::GetAllChildWidgets(native_view, children);
-}
-
-// static
-void Widget::GetAllOwnedWidgets(gfx::NativeView native_view,
-                                Widgets* owned) {
-  internal::NativeWidgetPrivate::GetAllOwnedWidgets(native_view, owned);
-}
-
-// static
-void Widget::ReparentNativeView(gfx::NativeView native_view,
-                                gfx::NativeView new_parent) {
-  internal::NativeWidgetPrivate::ReparentNativeView(native_view, new_parent);
-}
-
-// static
-int Widget::GetLocalizedContentsWidth(int col_resource_id) {
-  return ui::GetLocalizedContentsWidthForFont(col_resource_id,
-      ResourceBundle::GetSharedInstance().GetFont(ResourceBundle::BaseFont));
-}
-
-// static
-int Widget::GetLocalizedContentsHeight(int row_resource_id) {
-  return ui::GetLocalizedContentsHeightForFont(row_resource_id,
-      ResourceBundle::GetSharedInstance().GetFont(ResourceBundle::BaseFont));
-}
-
-// static
-gfx::Size Widget::GetLocalizedContentsSize(int col_resource_id,
-                                           int row_resource_id) {
-  return gfx::Size(GetLocalizedContentsWidth(col_resource_id),
-                   GetLocalizedContentsHeight(row_resource_id));
-}
-
-// static
-bool Widget::RequiresNonClientView(InitParams::Type type) {
-  return type == InitParams::TYPE_WINDOW ||
-         type == InitParams::TYPE_PANEL ||
-         type == InitParams::TYPE_BUBBLE;
-}
-
-void Widget::Init(const InitParams& in_params) {
-  TRACE_EVENT0("views", "Widget::Init");
-  InitParams params = in_params;
-
-  params.child |= (params.type == InitParams::TYPE_CONTROL);
-  is_top_level_ = !params.child;
-
-  if (params.opacity == views::Widget::InitParams::INFER_OPACITY &&
-      params.type != views::Widget::InitParams::TYPE_WINDOW &&
-      params.type != views::Widget::InitParams::TYPE_PANEL)
-    params.opacity = views::Widget::InitParams::OPAQUE_WINDOW;
-
-  if (ViewsDelegate::views_delegate)
-    ViewsDelegate::views_delegate->OnBeforeWidgetInit(&params, this);
-
-  if (params.opacity == views::Widget::InitParams::INFER_OPACITY)
-    params.opacity = views::Widget::InitParams::OPAQUE_WINDOW;
-
-  bool can_activate = false;
-  if (params.activatable != InitParams::ACTIVATABLE_DEFAULT) {
-    can_activate = (params.activatable == InitParams::ACTIVATABLE_YES);
-  } else if (params.type != InitParams::TYPE_CONTROL &&
-             params.type != InitParams::TYPE_POPUP &&
-             params.type != InitParams::TYPE_MENU &&
-             params.type != InitParams::TYPE_TOOLTIP &&
-             params.type != InitParams::TYPE_DRAG) {
-    can_activate = true;
-    params.activatable = InitParams::ACTIVATABLE_YES;
-  } else {
-    can_activate = false;
-    params.activatable = InitParams::ACTIVATABLE_NO;
-  }
-
-  widget_delegate_ = params.delegate ?
-      params.delegate : new DefaultWidgetDelegate(this);
-  widget_delegate_->set_can_activate(can_activate);
-
-  ownership_ = params.ownership;
-  native_widget_ = CreateNativeWidget(params.native_widget, this)->
-                   AsNativeWidgetPrivate();
-  root_view_.reset(CreateRootView());
-  default_theme_provider_.reset(new ui::DefaultThemeProvider);
-  native_widget_->InitNativeWidget(params);
-  if (RequiresNonClientView(params.type)) {
-    non_client_view_ = new NonClientView;
-    non_client_view_->SetFrameView(CreateNonClientFrameView());
-    // Create the ClientView, add it to the NonClientView and add the
-    // NonClientView to the RootView. This will cause everything to be parented.
-    non_client_view_->set_client_view(widget_delegate_->CreateClientView(this));
-    non_client_view_->SetOverlayView(widget_delegate_->CreateOverlayView());
-    SetContentsView(non_client_view_);
-    // Initialize the window's title before setting the window's initial bounds;
-    // the frame view's preferred height may depend on the presence of a title.
-    UpdateWindowTitle();
-    non_client_view_->ResetWindowControls();
-    SetInitialBounds(params.bounds);
-    if (params.show_state == ui::SHOW_STATE_MAXIMIZED)
-      Maximize();
-    else if (params.show_state == ui::SHOW_STATE_MINIMIZED)
-      Minimize();
-  } else if (params.delegate) {
-    SetContentsView(params.delegate->GetContentsView());
-    SetInitialBoundsForFramelessWindow(params.bounds);
-  }
-  // This must come after SetContentsView() or it might not be able to find
-  // the correct NativeTheme (on Linux). See http://crbug.com/384492
-  observer_manager_.Add(GetNativeTheme());
-  native_widget_initialized_ = true;
-}
-
-// Unconverted methods (see header) --------------------------------------------
-
-gfx::NativeView Widget::GetNativeView() const {
-  return native_widget_->GetNativeView();
-}
-
-gfx::NativeWindow Widget::GetNativeWindow() const {
-  return native_widget_->GetNativeWindow();
-}
-
-void Widget::AddObserver(WidgetObserver* observer) {
-  observers_.AddObserver(observer);
-}
-
-void Widget::RemoveObserver(WidgetObserver* observer) {
-  observers_.RemoveObserver(observer);
-}
-
-bool Widget::HasObserver(WidgetObserver* observer) {
-  return observers_.HasObserver(observer);
-}
-
-void Widget::AddRemovalsObserver(WidgetRemovalsObserver* observer) {
-  removals_observers_.AddObserver(observer);
-}
-
-void Widget::RemoveRemovalsObserver(WidgetRemovalsObserver* observer) {
-  removals_observers_.RemoveObserver(observer);
-}
-
-bool Widget::HasRemovalsObserver(WidgetRemovalsObserver* observer) {
-  return removals_observers_.HasObserver(observer);
-}
-
-bool Widget::GetAccelerator(int cmd_id, ui::Accelerator* accelerator) const {
-  return false;
-}
-
-void Widget::ViewHierarchyChanged(
-    const View::ViewHierarchyChangedDetails& details) {
-  if (!details.is_add) {
-    if (details.child == dragged_view_)
-      dragged_view_ = NULL;
-    FocusManager* focus_manager = GetFocusManager();
-    if (focus_manager)
-      focus_manager->ViewRemoved(details.child);
-    ViewStorage::GetInstance()->ViewRemoved(details.child);
-    native_widget_->ViewRemoved(details.child);
-  }
-}
-
-void Widget::NotifyNativeViewHierarchyWillChange() {
-  FocusManager* focus_manager = GetFocusManager();
-  // We are being removed from a window hierarchy.  Treat this as
-  // the root_view_ being removed.
-  if (focus_manager)
-    focus_manager->ViewRemoved(root_view_.get());
-}
-
-void Widget::NotifyNativeViewHierarchyChanged() {
-  root_view_->NotifyNativeViewHierarchyChanged();
-}
-
-void Widget::NotifyWillRemoveView(View* view) {
-    FOR_EACH_OBSERVER(WidgetRemovalsObserver,
-                      removals_observers_,
-                      OnWillRemoveView(this, view));
-}
-
-// Converted methods (see header) ----------------------------------------------
-
-Widget* Widget::GetTopLevelWidget() {
-  return const_cast<Widget*>(
-      static_cast<const Widget*>(this)->GetTopLevelWidget());
-}
-
-const Widget* Widget::GetTopLevelWidget() const {
-  // GetTopLevelNativeWidget doesn't work during destruction because
-  // property is gone after gobject gets deleted. Short circuit here
-  // for toplevel so that InputMethod can remove itself from
-  // focus manager.
-  return is_top_level() ? this : native_widget_->GetTopLevelWidget();
-}
-
-void Widget::SetContentsView(View* view) {
-  // Do not SetContentsView() again if it is already set to the same view.
-  if (view == GetContentsView())
-    return;
-  root_view_->SetContentsView(view);
-  if (non_client_view_ != view) {
-    // |non_client_view_| can only be non-NULL here if RequiresNonClientView()
-    // was true when the widget was initialized. Creating widgets with non
-    // client views and then setting the contents view can cause subtle
-    // problems on Windows, where the native widget thinks there is still a
-    // |non_client_view_|. If you get this error, either use a different type
-    // when initializing the widget, or don't call SetContentsView().
-    DCHECK(!non_client_view_);
-    non_client_view_ = NULL;
-  }
-}
-
-View* Widget::GetContentsView() {
-  return root_view_->GetContentsView();
-}
-
-gfx::Rect Widget::GetWindowBoundsInScreen() const {
-  return native_widget_->GetWindowBoundsInScreen();
-}
-
-gfx::Rect Widget::GetClientAreaBoundsInScreen() const {
-  return native_widget_->GetClientAreaBoundsInScreen();
-}
-
-gfx::Rect Widget::GetRestoredBounds() const {
-  return native_widget_->GetRestoredBounds();
-}
-
-void Widget::SetBounds(const gfx::Rect& bounds) {
-  native_widget_->SetBounds(bounds);
-}
-
-void Widget::SetSize(const gfx::Size& size) {
-  native_widget_->SetSize(size);
-}
-
-void Widget::CenterWindow(const gfx::Size& size) {
-  native_widget_->CenterWindow(size);
-}
-
-void Widget::SetBoundsConstrained(const gfx::Rect& bounds) {
-  gfx::Rect work_area =
-      gfx::Screen::GetScreenFor(GetNativeView())->GetDisplayNearestPoint(
-          bounds.origin()).work_area();
-  if (work_area.IsEmpty()) {
-    SetBounds(bounds);
-  } else {
-    // Inset the work area slightly.
-    work_area.Inset(10, 10, 10, 10);
-    work_area.AdjustToFit(bounds);
-    SetBounds(work_area);
-  }
-}
-
-void Widget::SetVisibilityChangedAnimationsEnabled(bool value) {
-  native_widget_->SetVisibilityChangedAnimationsEnabled(value);
-}
-
-Widget::MoveLoopResult Widget::RunMoveLoop(
-    const gfx::Vector2d& drag_offset,
-    MoveLoopSource source,
-    MoveLoopEscapeBehavior escape_behavior) {
-  return native_widget_->RunMoveLoop(drag_offset, source, escape_behavior);
-}
-
-void Widget::EndMoveLoop() {
-  native_widget_->EndMoveLoop();
-}
-
-void Widget::StackAboveWidget(Widget* widget) {
-  native_widget_->StackAbove(widget->GetNativeView());
-}
-
-void Widget::StackAbove(gfx::NativeView native_view) {
-  native_widget_->StackAbove(native_view);
-}
-
-void Widget::StackAtTop() {
-  native_widget_->StackAtTop();
-}
-
-void Widget::StackBelow(gfx::NativeView native_view) {
-  native_widget_->StackBelow(native_view);
-}
-
-void Widget::SetShape(gfx::NativeRegion shape) {
-  native_widget_->SetShape(shape);
-}
-
-void Widget::Close() {
-  if (widget_closed_) {
-    // It appears we can hit this code path if you close a modal dialog then
-    // close the last browser before the destructor is hit, which triggers
-    // invoking Close again.
-    return;
-  }
-
-  bool can_close = true;
-  if (non_client_view_)
-    can_close = non_client_view_->CanClose();
-  if (can_close) {
-    SaveWindowPlacement();
-
-    // During tear-down the top-level focus manager becomes unavailable to
-    // GTK tabbed panes and their children, so normal deregistration via
-    // |FormManager::ViewRemoved()| calls are fouled.  We clear focus here
-    // to avoid these redundant steps and to avoid accessing deleted views
-    // that may have been in focus.
-    if (is_top_level() && focus_manager_.get())
-      focus_manager_->SetFocusedView(NULL);
-
-    FOR_EACH_OBSERVER(WidgetObserver, observers_, OnWidgetClosing(this));
-    native_widget_->Close();
-    widget_closed_ = true;
-  }
-}
-
-void Widget::CloseNow() {
-  FOR_EACH_OBSERVER(WidgetObserver, observers_, OnWidgetClosing(this));
-  native_widget_->CloseNow();
-}
-
-bool Widget::IsClosed() const {
-  return widget_closed_;
-}
-
-void Widget::Show() {
-  TRACE_EVENT0("views", "Widget::Show");
-  if (non_client_view_) {
-    // While initializing, the kiosk mode will go to full screen before the
-    // widget gets shown. In that case we stay in full screen mode, regardless
-    // of the |saved_show_state_| member.
-    if (saved_show_state_ == ui::SHOW_STATE_MAXIMIZED &&
-        !initial_restored_bounds_.IsEmpty() &&
-        !IsFullscreen()) {
-      native_widget_->ShowMaximizedWithBounds(initial_restored_bounds_);
-    } else {
-      native_widget_->ShowWithWindowState(
-          IsFullscreen() ? ui::SHOW_STATE_FULLSCREEN : saved_show_state_);
-    }
-    // |saved_show_state_| only applies the first time the window is shown.
-    // If we don't reset the value the window may be shown maximized every time
-    // it is subsequently shown after being hidden.
-    saved_show_state_ = ui::SHOW_STATE_NORMAL;
-  } else {
-    CanActivate()
-        ? native_widget_->Show()
-        : native_widget_->ShowWithWindowState(ui::SHOW_STATE_INACTIVE);
-  }
-}
-
-void Widget::Hide() {
-  native_widget_->Hide();
-}
-
-void Widget::ShowInactive() {
-  // If this gets called with saved_show_state_ == ui::SHOW_STATE_MAXIMIZED,
-  // call SetBounds()with the restored bounds to set the correct size. This
-  // normally should not happen, but if it does we should avoid showing unsized
-  // windows.
-  if (saved_show_state_ == ui::SHOW_STATE_MAXIMIZED &&
-      !initial_restored_bounds_.IsEmpty()) {
-    SetBounds(initial_restored_bounds_);
-    saved_show_state_ = ui::SHOW_STATE_NORMAL;
-  }
-  native_widget_->ShowWithWindowState(ui::SHOW_STATE_INACTIVE);
-}
-
-void Widget::Activate() {
-  native_widget_->Activate();
-}
-
-void Widget::Deactivate() {
-  native_widget_->Deactivate();
-}
-
-bool Widget::IsActive() const {
-  return native_widget_->IsActive();
-}
-
-void Widget::DisableInactiveRendering() {
-  SetInactiveRenderingDisabled(true);
-}
-
-void Widget::SetAlwaysOnTop(bool on_top) {
-  native_widget_->SetAlwaysOnTop(on_top);
-}
-
-bool Widget::IsAlwaysOnTop() const {
-  return native_widget_->IsAlwaysOnTop();
-}
-
-void Widget::SetVisibleOnAllWorkspaces(bool always_visible) {
-  native_widget_->SetVisibleOnAllWorkspaces(always_visible);
-}
-
-void Widget::Maximize() {
-  native_widget_->Maximize();
-}
-
-void Widget::Minimize() {
-  native_widget_->Minimize();
-}
-
-void Widget::Restore() {
-  native_widget_->Restore();
-}
-
-bool Widget::IsMaximized() const {
-  return native_widget_->IsMaximized();
-}
-
-bool Widget::IsMinimized() const {
-  return native_widget_->IsMinimized();
-}
-
-void Widget::SetFullscreen(bool fullscreen) {
-  if (IsFullscreen() == fullscreen)
-    return;
-
-  native_widget_->SetFullscreen(fullscreen);
-
-  if (non_client_view_)
-    non_client_view_->Layout();
-}
-
-bool Widget::IsFullscreen() const {
-  return native_widget_->IsFullscreen();
-}
-
-void Widget::SetOpacity(unsigned char opacity) {
-  native_widget_->SetOpacity(opacity);
-}
-
-void Widget::SetUseDragFrame(bool use_drag_frame) {
-  native_widget_->SetUseDragFrame(use_drag_frame);
-}
-
-void Widget::FlashFrame(bool flash) {
-  native_widget_->FlashFrame(flash);
-}
-
-View* Widget::GetRootView() {
-  return root_view_.get();
-}
-
-const View* Widget::GetRootView() const {
-  return root_view_.get();
-}
-
-bool Widget::IsVisible() const {
-  return native_widget_->IsVisible();
-}
-
-ui::ThemeProvider* Widget::GetThemeProvider() const {
-  const Widget* root_widget = GetTopLevelWidget();
-  if (root_widget && root_widget != this) {
-    // Attempt to get the theme provider, and fall back to the default theme
-    // provider if not found.
-    ui::ThemeProvider* provider = root_widget->GetThemeProvider();
-    if (provider)
-      return provider;
-
-    provider = root_widget->default_theme_provider_.get();
-    if (provider)
-      return provider;
-  }
-  return default_theme_provider_.get();
-}
-
-const ui::NativeTheme* Widget::GetNativeTheme() const {
-  return native_widget_->GetNativeTheme();
-}
-
-FocusManager* Widget::GetFocusManager() {
-  Widget* toplevel_widget = GetTopLevelWidget();
-  return toplevel_widget ? toplevel_widget->focus_manager_.get() : NULL;
-}
-
-const FocusManager* Widget::GetFocusManager() const {
-  const Widget* toplevel_widget = GetTopLevelWidget();
-  return toplevel_widget ? toplevel_widget->focus_manager_.get() : NULL;
-}
-
-InputMethod* Widget::GetInputMethod() {
-  return const_cast<InputMethod*>(
-      const_cast<const Widget*>(this)->GetInputMethod());
-}
-
-const InputMethod* Widget::GetInputMethod() const {
-  if (is_top_level()) {
-    if (!input_method_.get())
-      input_method_ = const_cast<Widget*>(this)->CreateInputMethod().Pass();
-    return input_method_.get();
-  } else {
-    const Widget* toplevel = GetTopLevelWidget();
-    // If GetTopLevelWidget() returns itself which is not toplevel,
-    // the widget is detached from toplevel widget.
-    // TODO(oshima): Fix GetTopLevelWidget() to return NULL
-    // if there is no toplevel. We probably need to add GetTopMostWidget()
-    // to replace some use cases.
-    return (toplevel && toplevel != this) ? toplevel->GetInputMethod() : NULL;
-  }
-}
-
-ui::InputMethod* Widget::GetHostInputMethod() {
-  return native_widget_private()->GetHostInputMethod();
-}
-
-void Widget::RunShellDrag(View* view,
-                          const ui::OSExchangeData& data,
-                          const gfx::Point& location,
-                          int operation,
-                          ui::DragDropTypes::DragEventSource source) {
-  dragged_view_ = view;
-  OnDragWillStart();
-  native_widget_->RunShellDrag(view, data, location, operation, source);
-  // If the view is removed during the drag operation, dragged_view_ is set to
-  // NULL.
-  if (view && dragged_view_ == view) {
-    dragged_view_ = NULL;
-    view->OnDragDone();
-  }
-  OnDragComplete();
-}
-
-void Widget::SchedulePaintInRect(const gfx::Rect& rect) {
-  native_widget_->SchedulePaintInRect(rect);
-}
-
-void Widget::SetCursor(gfx::NativeCursor cursor) {
-  native_widget_->SetCursor(cursor);
-}
-
-bool Widget::IsMouseEventsEnabled() const {
-  return native_widget_->IsMouseEventsEnabled();
-}
-
-void Widget::SetNativeWindowProperty(const char* name, void* value) {
-  native_widget_->SetNativeWindowProperty(name, value);
-}
-
-void* Widget::GetNativeWindowProperty(const char* name) const {
-  return native_widget_->GetNativeWindowProperty(name);
-}
-
-void Widget::UpdateWindowTitle() {
-  if (!non_client_view_)
-    return;
-
-  // Update the native frame's text. We do this regardless of whether or not
-  // the native frame is being used, since this also updates the taskbar, etc.
-  base::string16 window_title = widget_delegate_->GetWindowTitle();
-  base::i18n::AdjustStringForLocaleDirection(&window_title);
-  if (!native_widget_->SetWindowTitle(window_title))
-    return;
-  non_client_view_->UpdateWindowTitle();
-
-  // If the non-client view is rendering its own title, it'll need to relayout
-  // now and to get a paint update later on.
-  non_client_view_->Layout();
-}
-
-void Widget::UpdateWindowIcon() {
-  if (non_client_view_)
-    non_client_view_->UpdateWindowIcon();
-  native_widget_->SetWindowIcons(widget_delegate_->GetWindowIcon(),
-                                 widget_delegate_->GetWindowAppIcon());
-}
-
-FocusTraversable* Widget::GetFocusTraversable() {
-  return static_cast<internal::RootView*>(root_view_.get());
-}
-
-void Widget::ThemeChanged() {
-  root_view_->ThemeChanged();
-}
-
-void Widget::LocaleChanged() {
-  root_view_->LocaleChanged();
-}
-
-void Widget::SetFocusTraversableParent(FocusTraversable* parent) {
-  root_view_->SetFocusTraversableParent(parent);
-}
-
-void Widget::SetFocusTraversableParentView(View* parent_view) {
-  root_view_->SetFocusTraversableParentView(parent_view);
-}
-
-void Widget::ClearNativeFocus() {
-  native_widget_->ClearNativeFocus();
-}
-
-NonClientFrameView* Widget::CreateNonClientFrameView() {
-  NonClientFrameView* frame_view =
-      widget_delegate_->CreateNonClientFrameView(this);
-  if (!frame_view)
-    frame_view = native_widget_->CreateNonClientFrameView();
-  if (!frame_view && ViewsDelegate::views_delegate) {
-    frame_view =
-        ViewsDelegate::views_delegate->CreateDefaultNonClientFrameView(this);
-  }
-  if (frame_view)
-    return frame_view;
-
-  CustomFrameView* custom_frame_view = new CustomFrameView;
-  custom_frame_view->Init(this);
-  return custom_frame_view;
-}
-
-bool Widget::ShouldUseNativeFrame() const {
-  if (frame_type_ != FRAME_TYPE_DEFAULT)
-    return frame_type_ == FRAME_TYPE_FORCE_NATIVE;
-  return native_widget_->ShouldUseNativeFrame();
-}
-
-bool Widget::ShouldWindowContentsBeTransparent() const {
-  return native_widget_->ShouldWindowContentsBeTransparent();
-}
-
-void Widget::DebugToggleFrameType() {
-  if (frame_type_ == FRAME_TYPE_DEFAULT) {
-    frame_type_ = ShouldUseNativeFrame() ? FRAME_TYPE_FORCE_CUSTOM :
-        FRAME_TYPE_FORCE_NATIVE;
-  } else {
-    frame_type_ = frame_type_ == FRAME_TYPE_FORCE_CUSTOM ?
-        FRAME_TYPE_FORCE_NATIVE : FRAME_TYPE_FORCE_CUSTOM;
-  }
-  FrameTypeChanged();
-}
-
-void Widget::FrameTypeChanged() {
-  native_widget_->FrameTypeChanged();
-}
-
-const ui::Compositor* Widget::GetCompositor() const {
-  return native_widget_->GetCompositor();
-}
-
-ui::Compositor* Widget::GetCompositor() {
-  return native_widget_->GetCompositor();
-}
-
-ui::Layer* Widget::GetLayer() {
-  return native_widget_->GetLayer();
-}
-
-void Widget::ReorderNativeViews() {
-  native_widget_->ReorderNativeViews();
-}
-
-void Widget::UpdateRootLayers() {
-  // Calculate the layers requires traversing the tree, and since nearly any
-  // mutation of the tree can trigger this call we delay until absolutely
-  // necessary.
-  root_layers_dirty_ = true;
-}
-
-const NativeWidget* Widget::native_widget() const {
-  return native_widget_;
-}
-
-NativeWidget* Widget::native_widget() {
-  return native_widget_;
-}
-
-void Widget::SetCapture(View* view) {
-  if (!native_widget_->HasCapture()) {
-    native_widget_->SetCapture();
-
-    // Early return if setting capture was unsuccessful.
-    if (!native_widget_->HasCapture())
-      return;
-  }
-
-  root_view_->SetMouseHandler(view);
-}
-
-void Widget::ReleaseCapture() {
-  if (native_widget_->HasCapture())
-    native_widget_->ReleaseCapture();
-}
-
-bool Widget::HasCapture() {
-  return native_widget_->HasCapture();
-}
-
-TooltipManager* Widget::GetTooltipManager() {
-  return native_widget_->GetTooltipManager();
-}
-
-const TooltipManager* Widget::GetTooltipManager() const {
-  return native_widget_->GetTooltipManager();
-}
-
-gfx::Rect Widget::GetWorkAreaBoundsInScreen() const {
-  return native_widget_->GetWorkAreaBoundsInScreen();
-}
-
-void Widget::SynthesizeMouseMoveEvent() {
-  last_mouse_event_was_move_ = false;
-  ui::MouseEvent mouse_event(ui::ET_MOUSE_MOVED,
-                             last_mouse_event_position_,
-                             last_mouse_event_position_,
-                             ui::EF_IS_SYNTHESIZED, 0);
-  root_view_->OnMouseMoved(mouse_event);
-}
-
-void Widget::OnRootViewLayout() {
-  native_widget_->OnRootViewLayout();
-}
-
-bool Widget::IsTranslucentWindowOpacitySupported() const {
-  return native_widget_->IsTranslucentWindowOpacitySupported();
-}
-
-void Widget::OnSizeConstraintsChanged() {
-  native_widget_->OnSizeConstraintsChanged();
-  non_client_view_->SizeConstraintsChanged();
-}
-
-void Widget::OnOwnerClosing() {
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// Widget, NativeWidgetDelegate implementation:
-
-bool Widget::IsModal() const {
-  return widget_delegate_->GetModalType() != ui::MODAL_TYPE_NONE;
-}
-
-bool Widget::IsDialogBox() const {
-  return !!widget_delegate_->AsDialogDelegate();
-}
-
-bool Widget::CanActivate() const {
-  return widget_delegate_->CanActivate();
-}
-
-bool Widget::IsInactiveRenderingDisabled() const {
-  return disable_inactive_rendering_;
-}
-
-void Widget::EnableInactiveRendering() {
-  SetInactiveRenderingDisabled(false);
-}
-
-void Widget::OnNativeWidgetActivationChanged(bool active) {
-  // On windows we may end up here before we've completed initialization (from
-  // an WM_NCACTIVATE). If that happens the WidgetDelegate likely doesn't know
-  // the Widget and will crash attempting to access it.
-  if (!active && native_widget_initialized_)
-    SaveWindowPlacement();
-
-  FOR_EACH_OBSERVER(WidgetObserver, observers_,
-                    OnWidgetActivationChanged(this, active));
-
-  // During window creation, the widget gets focused without activation, and in
-  // that case, the focus manager cannot set the appropriate text input client
-  // because the widget is not active.  Thus we have to notify the focus manager
-  // not only when the focus changes but also when the widget gets activated.
-  // See crbug.com/377479 for details.
-  views::FocusManager* focus_manager = GetFocusManager();
-  if (focus_manager) {
-    if (active)
-      focus_manager->FocusTextInputClient(focus_manager->GetFocusedView());
-    else
-      focus_manager->BlurTextInputClient(focus_manager->GetFocusedView());
-  }
-
-  if (IsVisible() && non_client_view())
-    non_client_view()->frame_view()->SchedulePaint();
-}
-
-void Widget::OnNativeFocus(gfx::NativeView old_focused_view) {
-  WidgetFocusManager::GetInstance()->OnWidgetFocusEvent(old_focused_view,
-                                                        GetNativeView());
-}
-
-void Widget::OnNativeBlur(gfx::NativeView new_focused_view) {
-  WidgetFocusManager::GetInstance()->OnWidgetFocusEvent(GetNativeView(),
-                                                        new_focused_view);
-}
-
-void Widget::OnNativeWidgetVisibilityChanging(bool visible) {
-  FOR_EACH_OBSERVER(WidgetObserver, observers_,
-                    OnWidgetVisibilityChanging(this, visible));
-}
-
-void Widget::OnNativeWidgetVisibilityChanged(bool visible) {
-  View* root = GetRootView();
-  if (root)
-    root->PropagateVisibilityNotifications(root, visible);
-  FOR_EACH_OBSERVER(WidgetObserver, observers_,
-                    OnWidgetVisibilityChanged(this, visible));
-  if (GetCompositor() && root && root->layer())
-    root->layer()->SetVisible(visible);
-}
-
-void Widget::OnNativeWidgetCreated(bool desktop_widget) {
-  if (is_top_level())
-    focus_manager_.reset(FocusManagerFactory::Create(this, desktop_widget));
-
-  native_widget_->InitModalType(widget_delegate_->GetModalType());
-
-  FOR_EACH_OBSERVER(WidgetObserver, observers_, OnWidgetCreated(this));
-}
-
-void Widget::OnNativeWidgetDestroying() {
-  // Tell the focus manager (if any) that root_view is being removed
-  // in case that the focused view is under this root view.
-  if (GetFocusManager())
-    GetFocusManager()->ViewRemoved(root_view_.get());
-  FOR_EACH_OBSERVER(WidgetObserver, observers_, OnWidgetDestroying(this));
-  if (non_client_view_)
-    non_client_view_->WindowClosing();
-  widget_delegate_->WindowClosing();
-}
-
-void Widget::OnNativeWidgetDestroyed() {
-  FOR_EACH_OBSERVER(WidgetObserver, observers_, OnWidgetDestroyed(this));
-  widget_delegate_->DeleteDelegate();
-  widget_delegate_ = NULL;
-  native_widget_destroyed_ = true;
-}
-
-gfx::Size Widget::GetMinimumSize() const {
-  return non_client_view_ ? non_client_view_->GetMinimumSize() : gfx::Size();
-}
-
-gfx::Size Widget::GetMaximumSize() const {
-  return non_client_view_ ? non_client_view_->GetMaximumSize() : gfx::Size();
-}
-
-void Widget::OnNativeWidgetMove() {
-  widget_delegate_->OnWidgetMove();
-  View* root = GetRootView();
-  if (root && root->GetFocusManager()) {
-    View* focused_view = root->GetFocusManager()->GetFocusedView();
-    if (focused_view && focused_view->GetInputMethod())
-      focused_view->GetInputMethod()->OnCaretBoundsChanged(focused_view);
-  }
-  FOR_EACH_OBSERVER(WidgetObserver, observers_, OnWidgetBoundsChanged(
-    this,
-    GetWindowBoundsInScreen()));
-}
-
-void Widget::OnNativeWidgetSizeChanged(const gfx::Size& new_size) {
-  View* root = GetRootView();
-  if (root) {
-    root->SetSize(new_size);
-    if (root->GetFocusManager()) {
-      View* focused_view = GetRootView()->GetFocusManager()->GetFocusedView();
-      if (focused_view && focused_view->GetInputMethod())
-        focused_view->GetInputMethod()->OnCaretBoundsChanged(focused_view);
-    }
-  }
-  SaveWindowPlacementIfInitialized();
-
-  FOR_EACH_OBSERVER(WidgetObserver, observers_, OnWidgetBoundsChanged(
-    this,
-    GetWindowBoundsInScreen()));
-}
-
-void Widget::OnNativeWidgetWindowShowStateChanged() {
-  SaveWindowPlacementIfInitialized();
-}
-
-void Widget::OnNativeWidgetBeginUserBoundsChange() {
-  widget_delegate_->OnWindowBeginUserBoundsChange();
-}
-
-void Widget::OnNativeWidgetEndUserBoundsChange() {
-  widget_delegate_->OnWindowEndUserBoundsChange();
-}
-
-bool Widget::HasFocusManager() const {
-  return !!focus_manager_.get();
-}
-
-bool Widget::OnNativeWidgetPaintAccelerated(const gfx::Rect& dirty_region) {
-  ui::Compositor* compositor = GetCompositor();
-  if (!compositor)
-    return false;
-
-  compositor->ScheduleRedrawRect(dirty_region);
-  return true;
-}
-
-void Widget::OnNativeWidgetPaint(gfx::Canvas* canvas) {
-  // On Linux Aura, we can get here during Init() because of the
-  // SetInitialBounds call.
-  if (native_widget_initialized_)
-    GetRootView()->Paint(canvas, CullSet());
-}
-
-int Widget::GetNonClientComponent(const gfx::Point& point) {
-  int component = non_client_view_ ?
-      non_client_view_->NonClientHitTest(point) :
-      HTNOWHERE;
-
-  if (movement_disabled_ && (component == HTCAPTION || component == HTSYSMENU))
-    return HTNOWHERE;
-
-  return component;
-}
-
-void Widget::OnKeyEvent(ui::KeyEvent* event) {
-  SendEventToProcessor(event);
-}
-
-// TODO(tdanderson): We should not be calling the OnMouse*() functions on
-//                   RootView from anywhere in Widget. Use
-//                   SendEventToProcessor() instead. See crbug.com/348087.
-void Widget::OnMouseEvent(ui::MouseEvent* event) {
-  if (event->type() != ui::ET_MOUSE_MOVED)
-    last_mouse_event_was_move_ = false;
-
-  View* root_view = GetRootView();
-  switch (event->type()) {
-    case ui::ET_MOUSE_PRESSED: {
-      // We may get deleted by the time we return from OnMousePressed. So we
-      // use an observer to make sure we are still alive.
-      WidgetDeletionObserver widget_deletion_observer(this);
-
-      // Make sure we're still visible before we attempt capture as the mouse
-      // press processing may have made the window hide (as happens with menus).
-
-      // It is possible for a View to show a context menu on mouse-press. Since
-      // the menu does a capture and starts a nested message-loop, the release
-      // would go to the menu. The next click (i.e. both mouse-press and release
-      // events) also go to the menu. The menu (and the nested message-loop)
-      // gets closed after this second release event. The code then resumes from
-      // here. So make sure that the mouse-button is still down before doing a
-      // capture.
-      if (root_view && root_view->OnMousePressed(*event) &&
-          widget_deletion_observer.IsWidgetAlive() && IsVisible() &&
-          internal::NativeWidgetPrivate::IsMouseButtonDown()) {
-        if (!native_widget_->HasCapture())
-          native_widget_->SetCapture();
-        event->SetHandled();
-      }
-      return;
-    }
-
-    case ui::ET_MOUSE_RELEASED:
-      // Release capture first, to avoid confusion if OnMouseReleased blocks.
-      if (auto_release_capture_ && native_widget_->HasCapture()) {
-        base::AutoReset<bool> resetter(&ignore_capture_loss_, true);
-        native_widget_->ReleaseCapture();
-      }
-      if (root_view)
-        root_view->OnMouseReleased(*event);
-      if ((event->flags() & ui::EF_IS_NON_CLIENT) == 0)
-        event->SetHandled();
-      return;
-
-    case ui::ET_MOUSE_MOVED:
-      if (!last_mouse_event_was_move_ ||
-          last_mouse_event_position_ != event->location()) {
-        last_mouse_event_position_ = event->location();
-        last_mouse_event_was_move_ = true;
-        if (root_view)
-          root_view->OnMouseMoved(*event);
-      }
-      return;
-
-    case ui::ET_MOUSE_DRAGGED:
-      if (root_view)
-        root_view->OnMouseDragged(*event);
-      return;
-
-    case ui::ET_MOUSE_EXITED:
-      if (root_view)
-        root_view->OnMouseExited(*event);
-      return;
-
-    case ui::ET_MOUSEWHEEL:
-      if (root_view && root_view->OnMouseWheel(
-          static_cast<const ui::MouseWheelEvent&>(*event)))
-        event->SetHandled();
-      return;
-
-    default:
-      return;
-  }
-}
-
-void Widget::OnMouseCaptureLost() {
-  if (ignore_capture_loss_)
-    return;
-
-  View* root_view = GetRootView();
-  if (root_view)
-    root_view->OnMouseCaptureLost();
-}
-
-void Widget::OnScrollEvent(ui::ScrollEvent* event) {
-  ui::ScrollEvent event_copy(*event);
-  SendEventToProcessor(&event_copy);
-
-  // Convert unhandled ui::ET_SCROLL events into ui::ET_MOUSEWHEEL events.
-  if (!event_copy.handled() && event_copy.type() == ui::ET_SCROLL) {
-    ui::MouseWheelEvent wheel(*event);
-    OnMouseEvent(&wheel);
-  }
-}
-
-void Widget::OnGestureEvent(ui::GestureEvent* event) {
-  // We explicitly do not capture here. Not capturing enables multiple widgets
-  // to get tap events at the same time. Views (such as tab dragging) may
-  // explicitly capture.
-  SendEventToProcessor(event);
-}
-
-bool Widget::ExecuteCommand(int command_id) {
-  return widget_delegate_->ExecuteWindowsCommand(command_id);
-}
-
-InputMethod* Widget::GetInputMethodDirect() {
-  return input_method_.get();
-}
-
-const std::vector<ui::Layer*>& Widget::GetRootLayers() {
-  if (root_layers_dirty_) {
-    root_layers_dirty_ = false;
-    root_layers_.clear();
-    BuildRootLayers(GetRootView(), &root_layers_);
-  }
-  return root_layers_;
-}
-
-bool Widget::HasHitTestMask() const {
-  return widget_delegate_->WidgetHasHitTestMask();
-}
-
-void Widget::GetHitTestMask(gfx::Path* mask) const {
-  DCHECK(mask);
-  widget_delegate_->GetWidgetHitTestMask(mask);
-}
-
-Widget* Widget::AsWidget() {
-  return this;
-}
-
-const Widget* Widget::AsWidget() const {
-  return this;
-}
-
-bool Widget::SetInitialFocus(ui::WindowShowState show_state) {
-  View* v = widget_delegate_->GetInitiallyFocusedView();
-  if (!focus_on_creation_ || show_state == ui::SHOW_STATE_INACTIVE ||
-      show_state == ui::SHOW_STATE_MINIMIZED) {
-    // If not focusing the window now, tell the focus manager which view to
-    // focus when the window is restored.
-    if (v)
-      focus_manager_->SetStoredFocusView(v);
-    return true;
-  }
-  if (v)
-    v->RequestFocus();
-  return !!v;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// Widget, ui::EventSource implementation:
-ui::EventProcessor* Widget::GetEventProcessor() {
-  return root_view_.get();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// Widget, FocusTraversable implementation:
-
-FocusSearch* Widget::GetFocusSearch() {
-  return root_view_->GetFocusSearch();
-}
-
-FocusTraversable* Widget::GetFocusTraversableParent() {
-  // We are a proxy to the root view, so we should be bypassed when traversing
-  // up and as a result this should not be called.
-  NOTREACHED();
-  return NULL;
-}
-
-View* Widget::GetFocusTraversableParentView() {
-  // We are a proxy to the root view, so we should be bypassed when traversing
-  // up and as a result this should not be called.
-  NOTREACHED();
-  return NULL;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// Widget, ui::NativeThemeObserver implementation:
-
-void Widget::OnNativeThemeUpdated(ui::NativeTheme* observed_theme) {
-  DCHECK(observer_manager_.IsObserving(observed_theme));
-
-  ui::NativeTheme* current_native_theme = GetNativeTheme();
-  if (!observer_manager_.IsObserving(current_native_theme)) {
-    observer_manager_.RemoveAll();
-    observer_manager_.Add(current_native_theme);
-  }
-
-  root_view_->PropagateNativeThemeChanged(current_native_theme);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// Widget, protected:
-
-internal::RootView* Widget::CreateRootView() {
-  return new internal::RootView(this);
-}
-
-void Widget::DestroyRootView() {
-  non_client_view_ = NULL;
-  root_view_.reset();
-  // Input method has to be destroyed before focus manager.
-  input_method_.reset();
-}
-
-void Widget::OnDragWillStart() {
-}
-
-void Widget::OnDragComplete() {
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// Widget, private:
-
-void Widget::SetInactiveRenderingDisabled(bool value) {
-  if (value == disable_inactive_rendering_)
-    return;
-
-  disable_inactive_rendering_ = value;
-  if (non_client_view_)
-    non_client_view_->SetInactiveRenderingDisabled(value);
-}
-
-void Widget::SaveWindowPlacement() {
-  // The window delegate does the actual saving for us. It seems like (judging
-  // by go/crash) that in some circumstances we can end up here after
-  // WM_DESTROY, at which point the window delegate is likely gone. So just
-  // bail.
-  if (!widget_delegate_)
-    return;
-
-  ui::WindowShowState show_state = ui::SHOW_STATE_NORMAL;
-  gfx::Rect bounds;
-  native_widget_->GetWindowPlacement(&bounds, &show_state);
-  widget_delegate_->SaveWindowPlacement(bounds, show_state);
-}
-
-void Widget::SaveWindowPlacementIfInitialized() {
-  if (native_widget_initialized_)
-    SaveWindowPlacement();
-}
-
-void Widget::SetInitialBounds(const gfx::Rect& bounds) {
-  if (!non_client_view_)
-    return;
-
-  gfx::Rect saved_bounds;
-  if (GetSavedWindowPlacement(&saved_bounds, &saved_show_state_)) {
-    if (saved_show_state_ == ui::SHOW_STATE_MAXIMIZED) {
-      // If we're going to maximize, wait until Show is invoked to set the
-      // bounds. That way we avoid a noticeable resize.
-      initial_restored_bounds_ = saved_bounds;
-    } else if (!saved_bounds.IsEmpty()) {
-      // If the saved bounds are valid, use them.
-      SetBounds(saved_bounds);
-    }
-  } else {
-    if (bounds.IsEmpty()) {
-      // No initial bounds supplied, so size the window to its content and
-      // center over its parent.
-      native_widget_->CenterWindow(non_client_view_->GetPreferredSize());
-    } else {
-      // Use the supplied initial bounds.
-      SetBoundsConstrained(bounds);
-    }
-  }
-}
-
-void Widget::SetInitialBoundsForFramelessWindow(const gfx::Rect& bounds) {
-  if (bounds.IsEmpty()) {
-    View* contents_view = GetContentsView();
-    DCHECK(contents_view);
-    // No initial bounds supplied, so size the window to its content and
-    // center over its parent if preferred size is provided.
-    gfx::Size size = contents_view->GetPreferredSize();
-    if (!size.IsEmpty())
-      native_widget_->CenterWindow(size);
-  } else {
-    // Use the supplied initial bounds.
-    SetBoundsConstrained(bounds);
-  }
-}
-
-bool Widget::GetSavedWindowPlacement(gfx::Rect* bounds,
-                                     ui::WindowShowState* show_state) {
-  // First we obtain the window's saved show-style and store it. We need to do
-  // this here, rather than in Show() because by the time Show() is called,
-  // the window's size will have been reset (below) and the saved maximized
-  // state will have been lost. Sadly there's no way to tell on Windows when
-  // a window is restored from maximized state, so we can't more accurately
-  // track maximized state independently of sizing information.
-
-  // Restore the window's placement from the controller.
-  if (widget_delegate_->GetSavedWindowPlacement(this, bounds, show_state)) {
-    if (!widget_delegate_->ShouldRestoreWindowSize()) {
-      bounds->set_size(non_client_view_->GetPreferredSize());
-    } else {
-      gfx::Size minimum_size = GetMinimumSize();
-      // Make sure the bounds are at least the minimum size.
-      if (bounds->width() < minimum_size.width())
-        bounds->set_width(minimum_size.width());
-
-      if (bounds->height() < minimum_size.height())
-        bounds->set_height(minimum_size.height());
-    }
-    return true;
-  }
-  return false;
-}
-
-scoped_ptr<InputMethod> Widget::CreateInputMethod() {
-  scoped_ptr<InputMethod> input_method(native_widget_->CreateInputMethod());
-  if (input_method.get())
-    input_method->Init(this);
-  return input_method.Pass();
-}
-
-void Widget::ReplaceInputMethod(InputMethod* input_method) {
-  input_method_.reset(input_method);
-  input_method->SetDelegate(native_widget_->GetInputMethodDelegate());
-  input_method->Init(this);
-}
-
-namespace internal {
-
-////////////////////////////////////////////////////////////////////////////////
-// internal::NativeWidgetPrivate, NativeWidget implementation:
-
-internal::NativeWidgetPrivate* NativeWidgetPrivate::AsNativeWidgetPrivate() {
-  return this;
-}
-
-}  // namespace internal
-}  // namespace views