Revert "views: Move widget/ directory to ui/views." properly.

views/widget/widget_unittest.cc

+// Copyright (c) 2011 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 "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/message_loop.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/views/test/test_views_delegate.h"
+#include "ui/views/test/views_test_base.h"
+#include "ui/gfx/point.h"
+#include "ui/gfx/native_widget_types.h"
+#include "views/views_delegate.h"
+#include "views/widget/native_widget_delegate.h"
+
+#if defined(USE_AURA)
+#include "ui/aura/window.h"
+#include "views/widget/native_widget_aura.h"
+#elif defined(OS_WIN)
+#include "views/widget/native_widget_win.h"
+#elif defined(TOOLKIT_USES_GTK)
+#include "views/widget/native_widget_gtk.h"
+#endif
+
+namespace views {
+namespace {
+
+// A generic typedef to pick up relevant NativeWidget implementations.
+#if defined(USE_AURA)
+typedef NativeWidgetAura NativeWidgetPlatform;
+#elif defined(OS_WIN)
+typedef NativeWidgetWin NativeWidgetPlatform;
+#elif defined(TOOLKIT_USES_GTK)
+typedef NativeWidgetGtk NativeWidgetPlatform;
+#endif
+
+// A widget that assumes mouse capture always works. It won't on Gtk/Aura in
+// testing, so we mock it.
+#if defined(TOOLKIT_USES_GTK) || defined(USE_AURA)
+class NativeWidgetCapture : public NativeWidgetPlatform {
+ public:
+  NativeWidgetCapture(internal::NativeWidgetDelegate* delegate)
+      : NativeWidgetPlatform(delegate),
+        mouse_capture_(false) {}
+  virtual ~NativeWidgetCapture() {}
+
+  virtual void SetMouseCapture() OVERRIDE {
+    mouse_capture_ = true;
+  }
+  virtual void ReleaseMouseCapture() OVERRIDE {
+    if (mouse_capture_)
+      delegate()->OnMouseCaptureLost();
+    mouse_capture_ = false;
+  }
+  virtual bool HasMouseCapture() const OVERRIDE {
+    return mouse_capture_;
+  }
+
+ private:
+  bool mouse_capture_;
+
+  DISALLOW_COPY_AND_ASSIGN(NativeWidgetCapture);
+};
+#endif
+
+// A typedef that inserts our mock-capture NativeWidget implementation for
+// relevant platforms.
+#if defined(USE_AURA)
+typedef NativeWidgetCapture NativeWidgetPlatformForTest;
+#elif defined(OS_WIN)
+typedef NativeWidgetWin NativeWidgetPlatformForTest;
+#elif defined(TOOLKIT_USES_GTK)
+typedef NativeWidgetCapture NativeWidgetPlatformForTest;
+#endif
+
+// A view that always processes all mouse events.
+class MouseView : public View {
+ public:
+  MouseView() : View() {
+  }
+  virtual ~MouseView() {}
+
+  virtual bool OnMousePressed(const MouseEvent& event) OVERRIDE {
+    return true;
+  }
+};
+
+typedef ViewsTestBase WidgetTest;
+
+NativeWidget* CreatePlatformNativeWidget(
+    internal::NativeWidgetDelegate* delegate) {
+  return new NativeWidgetPlatformForTest(delegate);
+}
+
+Widget* CreateTopLevelPlatformWidget() {
+  Widget* toplevel = new Widget;
+  Widget::InitParams toplevel_params(Widget::InitParams::TYPE_WINDOW);
+  toplevel_params.native_widget = CreatePlatformNativeWidget(toplevel);
+  toplevel->Init(toplevel_params);
+  return toplevel;
+}
+
+Widget* CreateChildPlatformWidget(gfx::NativeView parent_native_view) {
+  Widget* child = new Widget;
+  Widget::InitParams child_params(Widget::InitParams::TYPE_CONTROL);
+  child_params.native_widget = CreatePlatformNativeWidget(child);
+  child_params.parent = parent_native_view;
+  child->Init(child_params);
+  child->SetContentsView(new View);
+  return child;
+}
+
+#if defined(OS_WIN) && !defined(USE_AURA)
+// On Windows, it is possible for us to have a child window that is TYPE_POPUP.
+Widget* CreateChildPopupPlatformWidget(gfx::NativeView parent_native_view) {
+  Widget* child = new Widget;
+  Widget::InitParams child_params(Widget::InitParams::TYPE_POPUP);
+  child_params.child = true;
+  child_params.native_widget = CreatePlatformNativeWidget(child);
+  child_params.parent = parent_native_view;
+  child->Init(child_params);
+  child->SetContentsView(new View);
+  return child;
+}
+#endif
+
+Widget* CreateTopLevelNativeWidget() {
+  Widget* toplevel = new Widget;
+  Widget::InitParams params(Widget::InitParams::TYPE_WINDOW);
+  toplevel->Init(params);
+  toplevel->SetContentsView(new View);
+  return toplevel;
+}
+
+Widget* CreateChildNativeWidgetWithParent(Widget* parent) {
+  Widget* child = new Widget;
+  Widget::InitParams params(Widget::InitParams::TYPE_CONTROL);
+  params.parent_widget = parent;
+  child->Init(params);
+  child->SetContentsView(new View);
+  return child;
+}
+
+Widget* CreateChildNativeWidget() {
+  return CreateChildNativeWidgetWithParent(NULL);
+}
+
+bool WidgetHasMouseCapture(const Widget* widget) {
+  return static_cast<const internal::NativeWidgetPrivate*>(widget->
+      native_widget())->HasMouseCapture();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Widget::GetTopLevelWidget tests.
+
+TEST_F(WidgetTest, GetTopLevelWidget_Native) {
+  // Create a hierarchy of native widgets.
+  Widget* toplevel = CreateTopLevelPlatformWidget();
+#if defined(TOOLKIT_USES_GTK)
+  NativeWidgetGtk* native_widget =
+      static_cast<NativeWidgetGtk*>(toplevel->native_widget());
+  gfx::NativeView parent = native_widget->window_contents();
+#else
+  gfx::NativeView parent = toplevel->GetNativeView();
+#endif
+  Widget* child = CreateChildPlatformWidget(parent);
+
+  EXPECT_EQ(toplevel, toplevel->GetTopLevelWidget());
+  EXPECT_EQ(toplevel, child->GetTopLevelWidget());
+
+  toplevel->CloseNow();
+  // |child| should be automatically destroyed with |toplevel|.
+}
+
+TEST_F(WidgetTest, GetTopLevelWidget_Synthetic) {
+  // Create a hierarchy consisting of a top level platform native widget and a
+  // child NativeWidget.
+  Widget* toplevel = CreateTopLevelPlatformWidget();
+  Widget* child = CreateTopLevelNativeWidget();
+
+  EXPECT_EQ(toplevel, toplevel->GetTopLevelWidget());
+  EXPECT_EQ(child, child->GetTopLevelWidget());
+
+  toplevel->CloseNow();
+  // |child| should be automatically destroyed with |toplevel|.
+}
+
+// Creates a hierarchy consisting of a desktop platform native widget, a
+// toplevel NativeWidget, and a child of that toplevel, another NativeWidget.
+TEST_F(WidgetTest, GetTopLevelWidget_SyntheticDesktop) {
+  // Create a hierarchy consisting of a desktop platform native widget,
+  // a toplevel NativeWidget and a chlid NativeWidget.
+  Widget* desktop = CreateTopLevelPlatformWidget();
+  Widget* toplevel = CreateTopLevelNativeWidget(); // Will be parented
+                                                   // automatically to
+                                                   // |toplevel|.
+
+  Widget* child = CreateChildNativeWidgetWithParent(toplevel);
+
+  EXPECT_EQ(desktop, desktop->GetTopLevelWidget());
+  EXPECT_EQ(toplevel, toplevel->GetTopLevelWidget());
+  EXPECT_EQ(toplevel, child->GetTopLevelWidget());
+
+  desktop->CloseNow();
+  // |toplevel|, |child| should be automatically destroyed with |toplevel|.
+}
+
+// Tests some grab/ungrab events.
+TEST_F(WidgetTest, DISABLED_GrabUngrab) {
+  Widget* toplevel = CreateTopLevelPlatformWidget();
+  Widget* child1 = CreateChildNativeWidgetWithParent(toplevel);
+  Widget* child2 = CreateChildNativeWidgetWithParent(toplevel);
+
+  toplevel->SetBounds(gfx::Rect(0, 0, 500, 500));
+
+  child1->SetBounds(gfx::Rect(10, 10, 300, 300));
+  View* view = new MouseView();
+  view->SetBounds(0, 0, 300, 300);
+  child1->GetRootView()->AddChildView(view);
+
+  child2->SetBounds(gfx::Rect(200, 10, 200, 200));
+  view = new MouseView();
+  view->SetBounds(0, 0, 200, 200);
+  child2->GetRootView()->AddChildView(view);
+
+  toplevel->Show();
+  RunPendingMessages();
+
+  // Click on child1
+  MouseEvent pressed(ui::ET_MOUSE_PRESSED, 45, 45, ui::EF_LEFT_BUTTON_DOWN);
+  toplevel->OnMouseEvent(pressed);
+
+  EXPECT_TRUE(WidgetHasMouseCapture(toplevel));
+  EXPECT_TRUE(WidgetHasMouseCapture(child1));
+  EXPECT_FALSE(WidgetHasMouseCapture(child2));
+
+  MouseEvent released(ui::ET_MOUSE_RELEASED, 45, 45, ui::EF_LEFT_BUTTON_DOWN);
+  toplevel->OnMouseEvent(released);
+
+  EXPECT_FALSE(WidgetHasMouseCapture(toplevel));
+  EXPECT_FALSE(WidgetHasMouseCapture(child1));
+  EXPECT_FALSE(WidgetHasMouseCapture(child2));
+
+  RunPendingMessages();
+
+  // Click on child2
+  MouseEvent pressed2(ui::ET_MOUSE_PRESSED, 315, 45, ui::EF_LEFT_BUTTON_DOWN);
+  EXPECT_TRUE(toplevel->OnMouseEvent(pressed2));
+  EXPECT_TRUE(WidgetHasMouseCapture(toplevel));
+  EXPECT_TRUE(WidgetHasMouseCapture(child2));
+  EXPECT_FALSE(WidgetHasMouseCapture(child1));
+
+  MouseEvent released2(ui::ET_MOUSE_RELEASED, 315, 45, ui::EF_LEFT_BUTTON_DOWN);
+  toplevel->OnMouseEvent(released2);
+  EXPECT_FALSE(WidgetHasMouseCapture(toplevel));
+  EXPECT_FALSE(WidgetHasMouseCapture(child1));
+  EXPECT_FALSE(WidgetHasMouseCapture(child2));
+
+  toplevel->CloseNow();
+}
+
+// Test if a focus manager and an inputmethod work without CHECK failure
+// when window activation changes.
+TEST_F(WidgetTest, ChangeActivation) {
+  Widget* top1 = CreateTopLevelPlatformWidget();
+  // CreateInputMethod before activated
+  top1->GetInputMethod();
+  top1->Show();
+  RunPendingMessages();
+
+  Widget* top2 = CreateTopLevelPlatformWidget();
+  top2->Show();
+  RunPendingMessages();
+
+  top1->Activate();
+  RunPendingMessages();
+
+  // Create InputMethod after deactivated.
+  top2->GetInputMethod();
+  top2->Activate();
+  RunPendingMessages();
+
+  top1->Activate();
+  RunPendingMessages();
+
+  top1->CloseNow();
+  top2->CloseNow();
+}
+
+// Tests visibility of child widgets.
+TEST_F(WidgetTest, Visibility) {
+  Widget* toplevel = CreateTopLevelPlatformWidget();
+#if defined(TOOLKIT_USES_GTK)
+  NativeWidgetGtk* native_widget =
+      static_cast<NativeWidgetGtk*>(toplevel->native_widget());
+  gfx::NativeView parent = native_widget->window_contents();
+#else
+  gfx::NativeView parent = toplevel->GetNativeView();
+#endif
+  Widget* child = CreateChildPlatformWidget(parent);
+
+  EXPECT_FALSE(toplevel->IsVisible());
+  EXPECT_FALSE(child->IsVisible());
+
+  child->Show();
+
+  EXPECT_FALSE(toplevel->IsVisible());
+  EXPECT_FALSE(child->IsVisible());
+
+  toplevel->Show();
+
+  EXPECT_TRUE(toplevel->IsVisible());
+  EXPECT_TRUE(child->IsVisible());
+
+  toplevel->CloseNow();
+  // |child| should be automatically destroyed with |toplevel|.
+}
+
+#if defined(OS_WIN) && !defined(USE_AURA)
+// On Windows, it is possible to have child window that are TYPE_POPUP.  Unlike
+// regular child windows, these should be created as hidden and must be shown
+// explicitly.
+TEST_F(WidgetTest, Visibility_ChildPopup) {
+  Widget* toplevel = CreateTopLevelPlatformWidget();
+  Widget* child_popup = CreateChildPopupPlatformWidget(
+      toplevel->GetNativeView());
+
+  EXPECT_FALSE(toplevel->IsVisible());
+  EXPECT_FALSE(child_popup->IsVisible());
+
+  toplevel->Show();
+
+  EXPECT_TRUE(toplevel->IsVisible());
+  EXPECT_FALSE(child_popup->IsVisible());
+
+  child_popup->Show();
+
+  EXPECT_TRUE(child_popup->IsVisible());
+
+  toplevel->CloseNow();
+  // |child_popup| should be automatically destroyed with |toplevel|.
+}
+#endif
+
+// Tests visibility of synthetic child widgets.
+TEST_F(WidgetTest, Visibility_Synthetic) {
+  // Create a hierarchy consisting of a desktop platform native widget,
+  // a toplevel NativeWidget and a chlid NativeWidget.
+  Widget* desktop = CreateTopLevelPlatformWidget();
+  desktop->Show();
+
+  Widget* toplevel = CreateTopLevelNativeWidget(); // Will be parented
+                                                   // automatically to
+                                                   // |toplevel|.
+
+  Widget* child = CreateChildNativeWidgetWithParent(toplevel);
+
+  EXPECT_FALSE(toplevel->IsVisible());
+  EXPECT_FALSE(child->IsVisible());
+
+  child->Show();
+
+  EXPECT_FALSE(toplevel->IsVisible());
+  EXPECT_FALSE(child->IsVisible());
+
+  toplevel->Show();
+
+  EXPECT_TRUE(toplevel->IsVisible());
+  EXPECT_TRUE(child->IsVisible());
+
+  desktop->CloseNow();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Widget ownership tests.
+//
+// Tests various permutations of Widget ownership specified in the
+// InitParams::Ownership param.
+
+// A WidgetTest that supplies a toplevel widget for NativeWidget to parent to.
+class WidgetOwnershipTest : public WidgetTest {
+ public:
+  WidgetOwnershipTest() {}
+  virtual ~WidgetOwnershipTest() {}
+
+  virtual void SetUp() {
+    WidgetTest::SetUp();
+    desktop_widget_ = CreateTopLevelPlatformWidget();
+  }
+
+  virtual void TearDown() {
+    desktop_widget_->CloseNow();
+    WidgetTest::TearDown();
+  }
+
+ private:
+  Widget* desktop_widget_;
+
+  DISALLOW_COPY_AND_ASSIGN(WidgetOwnershipTest);
+};
+
+// A bag of state to monitor destructions.
+struct OwnershipTestState {
+  OwnershipTestState() : widget_deleted(false), native_widget_deleted(false) {}
+
+  bool widget_deleted;
+  bool native_widget_deleted;
+};
+
+// A platform NativeWidget subclass that updates a bag of state when it is
+// destroyed.
+class OwnershipTestNativeWidget : public NativeWidgetPlatform {
+ public:
+  OwnershipTestNativeWidget(internal::NativeWidgetDelegate* delegate,
+                            OwnershipTestState* state)
+      : NativeWidgetPlatform(delegate),
+        state_(state) {
+  }
+  virtual ~OwnershipTestNativeWidget() {
+    state_->native_widget_deleted = true;
+  }
+
+ private:
+  OwnershipTestState* state_;
+
+  DISALLOW_COPY_AND_ASSIGN(OwnershipTestNativeWidget);
+};
+
+// A views NativeWidget subclass that updates a bag of state when it is
+// destroyed.
+class OwnershipTestNativeWidgetPlatform : public NativeWidgetPlatformForTest {
+ public:
+  OwnershipTestNativeWidgetPlatform(internal::NativeWidgetDelegate* delegate,
+                                    OwnershipTestState* state)
+      : NativeWidgetPlatformForTest(delegate),
+        state_(state) {
+  }
+  virtual ~OwnershipTestNativeWidgetPlatform() {
+    state_->native_widget_deleted = true;
+  }
+
+ private:
+  OwnershipTestState* state_;
+
+  DISALLOW_COPY_AND_ASSIGN(OwnershipTestNativeWidgetPlatform);
+};
+
+// A Widget subclass that updates a bag of state when it is destroyed.
+class OwnershipTestWidget : public Widget {
+ public:
+  OwnershipTestWidget(OwnershipTestState* state) : state_(state) {}
+  virtual ~OwnershipTestWidget() {
+    state_->widget_deleted = true;
+  }
+
+ private:
+  OwnershipTestState* state_;
+
+  DISALLOW_COPY_AND_ASSIGN(OwnershipTestWidget);
+};
+
+// Widget owns its NativeWidget, part 1: NativeWidget is a platform-native
+// widget.
+TEST_F(WidgetOwnershipTest, Ownership_WidgetOwnsPlatformNativeWidget) {
+  OwnershipTestState state;
+
+  scoped_ptr<Widget> widget(new OwnershipTestWidget(&state));
+  Widget::InitParams params(Widget::InitParams::TYPE_POPUP);
+  params.native_widget =
+      new OwnershipTestNativeWidgetPlatform(widget.get(), &state);
+  params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
+  widget->Init(params);
+
+  // Now delete the Widget, which should delete the NativeWidget.
+  widget.reset();
+
+  EXPECT_TRUE(state.widget_deleted);
+  EXPECT_TRUE(state.native_widget_deleted);
+
+  // TODO(beng): write test for this ownership scenario and the NativeWidget
+  //             being deleted out from under the Widget.
+}
+
+// Widget owns its NativeWidget, part 2: NativeWidget is a NativeWidget.
+TEST_F(WidgetOwnershipTest, Ownership_WidgetOwnsViewsNativeWidget) {
+  OwnershipTestState state;
+
+  scoped_ptr<Widget> widget(new OwnershipTestWidget(&state));
+  Widget::InitParams params(Widget::InitParams::TYPE_POPUP);
+  params.native_widget =
+      new OwnershipTestNativeWidgetPlatform(widget.get(), &state);
+  params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
+  widget->Init(params);
+
+  // Now delete the Widget, which should delete the NativeWidget.
+  widget.reset();
+
+  EXPECT_TRUE(state.widget_deleted);
+  EXPECT_TRUE(state.native_widget_deleted);
+
+  // TODO(beng): write test for this ownership scenario and the NativeWidget
+  //             being deleted out from under the Widget.
+}
+
+// Widget owns its NativeWidget, part 3: NativeWidget is a NativeWidget,
+// destroy the parent view.
+TEST_F(WidgetOwnershipTest,
+       Ownership_WidgetOwnsViewsNativeWidget_DestroyParentView) {
+  OwnershipTestState state;
+
+  Widget* toplevel = CreateTopLevelPlatformWidget();
+
+  scoped_ptr<Widget> widget(new OwnershipTestWidget(&state));
+  Widget::InitParams params(Widget::InitParams::TYPE_POPUP);
+  params.native_widget =
+      new OwnershipTestNativeWidgetPlatform(widget.get(), &state);
+  params.parent_widget = toplevel;
+  params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
+  widget->Init(params);
+
+  // Now close the toplevel, which deletes the view hierarchy.
+  toplevel->CloseNow();
+
+  RunPendingMessages();
+
+  // This shouldn't delete the widget because it shouldn't be deleted
+  // from the native side.
+  EXPECT_FALSE(state.widget_deleted);
+  EXPECT_FALSE(state.native_widget_deleted);
+
+  // Now delete it explicitly.
+  widget.reset();
+
+  EXPECT_TRUE(state.widget_deleted);
+  EXPECT_TRUE(state.native_widget_deleted);
+}
+
+// NativeWidget owns its Widget, part 1: NativeWidget is a platform-native
+// widget.
+TEST_F(WidgetOwnershipTest, Ownership_PlatformNativeWidgetOwnsWidget) {
+  OwnershipTestState state;
+
+  Widget* widget = new OwnershipTestWidget(&state);
+  Widget::InitParams params(Widget::InitParams::TYPE_POPUP);
+  params.native_widget =
+      new OwnershipTestNativeWidgetPlatform(widget, &state);
+  widget->Init(params);
+
+  // Now destroy the native widget.
+  widget->CloseNow();
+
+  EXPECT_TRUE(state.widget_deleted);
+  EXPECT_TRUE(state.native_widget_deleted);
+}
+
+// NativeWidget owns its Widget, part 2: NativeWidget is a NativeWidget.
+#if defined(OS_CHROMEOS) && defined(TOOLKIT_USES_GTK)
+// Temporarily disable the test (http://crbug.com/104945).
+TEST_F(WidgetOwnershipTest, DISABLED_Ownership_ViewsNativeWidgetOwnsWidget) {
+#else
+TEST_F(WidgetOwnershipTest, Ownership_ViewsNativeWidgetOwnsWidget) {
+#endif
+  OwnershipTestState state;
+
+  Widget* toplevel = CreateTopLevelPlatformWidget();
+
+  Widget* widget = new OwnershipTestWidget(&state);
+  Widget::InitParams params(Widget::InitParams::TYPE_POPUP);
+  params.native_widget =
+      new OwnershipTestNativeWidgetPlatform(widget, &state);
+  params.parent_widget = toplevel;
+  widget->Init(params);
+
+  // Now destroy the native widget. This is achieved by closing the toplevel.
+  toplevel->CloseNow();
+
+  // The NativeWidget won't be deleted until after a return to the message loop
+  // so we have to run pending messages before testing the destruction status.
+  RunPendingMessages();
+
+  EXPECT_TRUE(state.widget_deleted);
+  EXPECT_TRUE(state.native_widget_deleted);
+}
+
+// NativeWidget owns its Widget, part 3: NativeWidget is a platform-native
+// widget, destroyed out from under it by the OS.
+TEST_F(WidgetOwnershipTest,
+       Ownership_PlatformNativeWidgetOwnsWidget_NativeDestroy) {
+  OwnershipTestState state;
+
+  Widget* widget = new OwnershipTestWidget(&state);
+  Widget::InitParams params(Widget::InitParams::TYPE_POPUP);
+  params.native_widget =
+      new OwnershipTestNativeWidgetPlatform(widget, &state);
+  widget->Init(params);
+
+  // Now simulate a destroy of the platform native widget from the OS:
+#if defined(USE_AURA)
+  delete widget->GetNativeView();
+#elif defined(OS_WIN)
+  DestroyWindow(widget->GetNativeView());
+#elif defined(TOOLKIT_USES_GTK)
+  gtk_widget_destroy(widget->GetNativeView());
+#endif
+
+  EXPECT_TRUE(state.widget_deleted);
+  EXPECT_TRUE(state.native_widget_deleted);
+}
+
+// NativeWidget owns its Widget, part 4: NativeWidget is a NativeWidget,
+// destroyed by the view hierarchy that contains it.
+#if defined(OS_CHROMEOS) && defined(TOOLKIT_USES_GTK)
+// Temporarily disable the test (http://crbug.com/104945).
+TEST_F(WidgetOwnershipTest,
+       DISABLED_Ownership_ViewsNativeWidgetOwnsWidget_NativeDestroy) {
+#else
+TEST_F(WidgetOwnershipTest,
+       Ownership_ViewsNativeWidgetOwnsWidget_NativeDestroy) {
+#endif
+  OwnershipTestState state;
+
+  Widget* toplevel = CreateTopLevelPlatformWidget();
+
+  Widget* widget = new OwnershipTestWidget(&state);
+  Widget::InitParams params(Widget::InitParams::TYPE_POPUP);
+  params.native_widget =
+      new OwnershipTestNativeWidgetPlatform(widget, &state);
+  params.parent_widget = toplevel;
+  widget->Init(params);
+
+  // Destroy the widget (achieved by closing the toplevel).
+  toplevel->CloseNow();
+
+  // The NativeWidget won't be deleted until after a return to the message loop
+  // so we have to run pending messages before testing the destruction status.
+  RunPendingMessages();
+
+  EXPECT_TRUE(state.widget_deleted);
+  EXPECT_TRUE(state.native_widget_deleted);
+}
+
+// NativeWidget owns its Widget, part 5: NativeWidget is a NativeWidget,
+// we close it directly.
+TEST_F(WidgetOwnershipTest,
+       Ownership_ViewsNativeWidgetOwnsWidget_Close) {
+  OwnershipTestState state;
+
+  Widget* toplevel = CreateTopLevelPlatformWidget();
+
+  Widget* widget = new OwnershipTestWidget(&state);
+  Widget::InitParams params(Widget::InitParams::TYPE_POPUP);
+  params.native_widget =
+      new OwnershipTestNativeWidgetPlatform(widget, &state);
+  params.parent_widget = toplevel;
+  widget->Init(params);
+
+  // Destroy the widget.
+  widget->Close();
+  toplevel->CloseNow();
+
+  // The NativeWidget won't be deleted until after a return to the message loop
+  // so we have to run pending messages before testing the destruction status.
+  RunPendingMessages();
+
+  EXPECT_TRUE(state.widget_deleted);
+  EXPECT_TRUE(state.native_widget_deleted);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Widget observer tests.
+//
+
+class WidgetObserverTest : public WidgetTest,
+                                  Widget::Observer {
+ public:
+  WidgetObserverTest()
+      : active_(NULL),
+        widget_closed_(NULL),
+        widget_activated_(NULL),
+        widget_shown_(NULL),
+        widget_hidden_(NULL) {
+  }
+
+  virtual ~WidgetObserverTest() {}
+
+  virtual void OnWidgetClosing(Widget* widget) OVERRIDE {
+    if (active_ == widget)
+      active_ = NULL;
+    widget_closed_ = widget;
+  }
+
+  virtual void OnWidgetActivationChanged(Widget* widget,
+                                         bool active) OVERRIDE {
+    if (active) {
+      if (widget_activated_)
+        widget_activated_->Deactivate();
+      widget_activated_ = widget;
+      active_ = widget;
+    } else {
+      if (widget_activated_ == widget)
+        widget_activated_ = NULL;
+      widget_deactivated_ = widget;
+    }
+  }
+
+  virtual void OnWidgetVisibilityChanged(Widget* widget,
+                                         bool visible) OVERRIDE {
+    if (visible)
+      widget_shown_ = widget;
+    else
+      widget_hidden_ = widget;
+  }
+
+  void reset() {
+    active_ = NULL;
+    widget_closed_ = NULL;
+    widget_activated_ = NULL;
+    widget_deactivated_ = NULL;
+    widget_shown_ = NULL;
+    widget_hidden_ = NULL;
+  }
+
+  Widget* NewWidget() {
+    Widget* widget = CreateTopLevelNativeWidget();
+    widget->AddObserver(this);
+    return widget;
+  }
+
+  const Widget* active() const { return active_; }
+  const Widget* widget_closed() const { return widget_closed_; }
+  const Widget* widget_activated() const { return widget_activated_; }
+  const Widget* widget_deactivated() const { return widget_deactivated_; }
+  const Widget* widget_shown() const { return widget_shown_; }
+  const Widget* widget_hidden() const { return widget_hidden_; }
+
+ private:
+
+  Widget* active_;
+
+  Widget* widget_closed_;
+  Widget* widget_activated_;
+  Widget* widget_deactivated_;
+  Widget* widget_shown_;
+  Widget* widget_hidden_;
+};
+
+TEST_F(WidgetObserverTest, DISABLED_ActivationChange) {
+  Widget* toplevel = CreateTopLevelPlatformWidget();
+
+  Widget* toplevel1 = NewWidget();
+  Widget* toplevel2 = NewWidget();
+
+  toplevel1->Show();
+  toplevel2->Show();
+
+  reset();
+
+  toplevel1->Activate();
+
+  RunPendingMessages();
+  EXPECT_EQ(toplevel1, widget_activated());
+
+  toplevel2->Activate();
+  RunPendingMessages();
+  EXPECT_EQ(toplevel1, widget_deactivated());
+  EXPECT_EQ(toplevel2, widget_activated());
+  EXPECT_EQ(toplevel2, active());
+
+  toplevel->CloseNow();
+}
+
+TEST_F(WidgetObserverTest, DISABLED_VisibilityChange) {
+  Widget* toplevel = CreateTopLevelPlatformWidget();
+
+  Widget* child1 = NewWidget();
+  Widget* child2 = NewWidget();
+
+  toplevel->Show();
+  child1->Show();
+  child2->Show();
+
+  reset();
+
+  child1->Hide();
+  EXPECT_EQ(child1, widget_hidden());
+
+  child2->Hide();
+  EXPECT_EQ(child2, widget_hidden());
+
+  child1->Show();
+  EXPECT_EQ(child1, widget_shown());
+
+  child2->Show();
+  EXPECT_EQ(child2, widget_shown());
+
+  toplevel->CloseNow();
+}
+
+#if !defined(USE_AURA) && defined(OS_WIN)
+// Aura needs shell to maximize/fullscreen window.
+// NativeWidgetGtk doesn't implement GetRestoredBounds.
+TEST_F(WidgetTest, GetRestoredBounds) {
+  Widget* toplevel = CreateTopLevelPlatformWidget();
+  EXPECT_EQ(toplevel->GetWindowScreenBounds().ToString(),
+            toplevel->GetRestoredBounds().ToString());
+  toplevel->Show();
+  toplevel->Maximize();
+  RunPendingMessages();
+  EXPECT_NE(toplevel->GetWindowScreenBounds().ToString(),
+            toplevel->GetRestoredBounds().ToString());
+  EXPECT_GT(toplevel->GetRestoredBounds().width(), 0);
+  EXPECT_GT(toplevel->GetRestoredBounds().height(), 0);
+
+  toplevel->Restore();
+  RunPendingMessages();
+  EXPECT_EQ(toplevel->GetWindowScreenBounds().ToString(),
+            toplevel->GetRestoredBounds().ToString());
+
+  toplevel->SetFullscreen(true);
+  RunPendingMessages();
+  EXPECT_NE(toplevel->GetWindowScreenBounds().ToString(),
+            toplevel->GetRestoredBounds().ToString());
+  EXPECT_GT(toplevel->GetRestoredBounds().width(), 0);
+  EXPECT_GT(toplevel->GetRestoredBounds().height(), 0);
+}
+#endif
+
+}  // namespace
+}  // namespace views