Convert //ash from scoped_ptr to std::unique_ptr

ash/wm/drag_window_resizer_unittest.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 "ash/wm/drag_window_resizer.h"
 
 #include "ash/display/display_manager.h"
 #include "ash/display/mouse_cursor_event_filter.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_layout_manager.h"
@@ skipping 118 matching lines @@
                                                            point_in_screen);
   }
 
   aura::test::TestWindowDelegate delegate_;
   aura::test::TestWindowDelegate delegate2_;
   aura::test::TestWindowDelegate delegate3_;
   aura::test::TestWindowDelegate delegate4_;
   aura::test::TestWindowDelegate delegate5_;
   aura::test::TestWindowDelegate delegate6_;
 
-  scoped_ptr<aura::Window> window_;
-  scoped_ptr<aura::Window> always_on_top_window_;
-  scoped_ptr<aura::Window> system_modal_window_;
-  scoped_ptr<aura::Window> panel_window_;
+  std::unique_ptr<aura::Window> window_;
+  std::unique_ptr<aura::Window> always_on_top_window_;
+  std::unique_ptr<aura::Window> system_modal_window_;
+  std::unique_ptr<aura::Window> panel_window_;
   aura::Window* transient_child_;
-  scoped_ptr<aura::Window> transient_parent_;
+  std::unique_ptr<aura::Window> transient_parent_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DragWindowResizerTest);
 };
 
 // Verifies a window can be moved from the primary display to another.
 TEST_F(DragWindowResizerTest, WindowDragWithMultiDisplays) {
   if (!SupportsMultipleDisplays())
     return;
 
   // The secondary display is logically on the right, but on the system (e.g. X)
   // layer, it's below the primary one. See UpdateDisplay() in ash_test_base.cc.
   UpdateDisplay("800x600,400x300");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   ASSERT_EQ(2U, root_windows.size());
 
   window_->SetBoundsInScreen(gfx::Rect(0, 0, 50, 60),
                              gfx::Screen::GetScreen()->GetPrimaryDisplay());
   EXPECT_EQ(root_windows[0], window_->GetRootWindow());
   {
     // Grab (0, 0) of the window.
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window_.get(), gfx::Point(), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window_.get(), gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     // Drag the pointer to the right. Once it reaches the right edge of the
     // primary display, it warps to the secondary.
     resizer->Drag(CalculateDragPoint(*resizer, 800, 10), 0);
     resizer->CompleteDrag();
     // The whole window is on the secondary display now. The parent should be
     // changed.
     EXPECT_EQ(root_windows[1], window_->GetRootWindow());
     EXPECT_EQ("0,10 50x60", window_->bounds().ToString());
   }
 
   window_->SetBoundsInScreen(gfx::Rect(0, 0, 50, 60),
                              gfx::Screen::GetScreen()->GetPrimaryDisplay());
   EXPECT_EQ(root_windows[0], window_->GetRootWindow());
   {
     // Grab (0, 0) of the window and move the pointer to (775, 10).
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window_.get(), gfx::Point(), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window_.get(), gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 795, 10), 0);
     // Window should be adjusted for minimum visibility (25px) during the drag.
     EXPECT_EQ("775,10 50x60", window_->bounds().ToString());
     resizer->CompleteDrag();
     // Since the pointer is still on the primary root window, the parent should
     // not be changed.
     // Window origin should be adjusted for minimum visibility (25px).
     EXPECT_EQ(root_windows[0], window_->GetRootWindow());
     EXPECT_EQ("775,10 50x60", window_->bounds().ToString());
   }
 
   window_->SetBoundsInScreen(gfx::Rect(0, 0, 50, 60),
                              gfx::Screen::GetScreen()->GetPrimaryDisplay());
   EXPECT_EQ(root_windows[0], window_->GetRootWindow());
   {
     // Grab the top-right edge of the window and move the pointer to (0, 10)
     // in the secondary root window's coordinates.
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window_.get(), gfx::Point(49, 0), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window_.get(), gfx::Point(49, 0), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 751, 10), ui::EF_CONTROL_DOWN);
     resizer->CompleteDrag();
     // Since the pointer is on the secondary, the parent should be changed
     // even though only small fraction of the window is within the secondary
     // root window's bounds.
     EXPECT_EQ(root_windows[1], window_->GetRootWindow());
     // Window origin should be adjusted for minimum visibility (25px).
     int expected_x = -50 + kMinimumOnScreenArea;
 
     EXPECT_EQ(base::IntToString(expected_x) + ",10 50x60",
               window_->bounds().ToString());
   }
   // Dropping a window that is larger than the destination work area
   // will shrink to fit to the work area.
   window_->SetBoundsInScreen(gfx::Rect(0, 0, 700, 500),
                              gfx::Screen::GetScreen()->GetPrimaryDisplay());
   EXPECT_EQ(root_windows[0], window_->GetRootWindow());
   {
     // Grab the top-right edge of the window and move the pointer to (0, 10)
     // in the secondary root window's coordinates.
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window_.get(), gfx::Point(699, 0), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window_.get(), gfx::Point(699, 0), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 101, 10), ui::EF_CONTROL_DOWN);
     resizer->CompleteDrag();
     EXPECT_EQ(root_windows[1], window_->GetRootWindow());
     // Window size should be adjusted to fit to the work area
     EXPECT_EQ("400x253", window_->bounds().size().ToString());
     gfx::Rect window_bounds_in_screen = window_->GetBoundsInScreen();
     gfx::Rect intersect(window_->GetRootWindow()->GetBoundsInScreen());
     intersect.Intersect(window_bounds_in_screen);
 
     EXPECT_LE(10, intersect.width());
     EXPECT_LE(10, intersect.height());
     EXPECT_TRUE(window_bounds_in_screen.Contains(gfx::Point(800, 10)));
   }
 
   // Dropping a window that is larger than the destination work area
   // will shrink to fit to the work area.
   window_->SetBoundsInScreen(gfx::Rect(0, 0, 700, 500),
                              gfx::Screen::GetScreen()->GetPrimaryDisplay());
   EXPECT_EQ(root_windows[0], window_->GetRootWindow());
   {
     // Grab the top-left edge of the window and move the pointer to (150, 10)
     // in the secondary root window's coordinates. Make sure the window is
     // shrink in such a way that it keeps the cursor within.
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window_.get(), gfx::Point(0, 0), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window_.get(), gfx::Point(0, 0), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 799, 10), ui::EF_CONTROL_DOWN);
     resizer->Drag(CalculateDragPoint(*resizer, 850, 10), ui::EF_CONTROL_DOWN);
     resizer->CompleteDrag();
     EXPECT_EQ(root_windows[1], window_->GetRootWindow());
     // Window size should be adjusted to fit to the work area
     EXPECT_EQ("400x253", window_->bounds().size().ToString());
     gfx::Rect window_bounds_in_screen = window_->GetBoundsInScreen();
     gfx::Rect intersect(window_->GetRootWindow()->GetBoundsInScreen());
     intersect.Intersect(window_bounds_in_screen);
     EXPECT_LE(10, intersect.width());
     EXPECT_LE(10, intersect.height());
     EXPECT_TRUE(window_bounds_in_screen.Contains(gfx::Point(850, 10)));
   }
 }
 
 // Verifies that dragging the active window to another display makes the new
 // root window the active root window.
 TEST_F(DragWindowResizerTest, WindowDragWithMultiDisplaysActiveRoot) {
   if (!SupportsMultipleDisplays())
     return;
 
   // The secondary display is logically on the right, but on the system (e.g. X)
   // layer, it's below the primary one. See UpdateDisplay() in ash_test_base.cc.
   UpdateDisplay("800x600,800x600");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   ASSERT_EQ(2U, root_windows.size());
 
   aura::test::TestWindowDelegate delegate;
-  scoped_ptr<aura::Window> window(new aura::Window(&delegate));
+  std::unique_ptr<aura::Window> window(new aura::Window(&delegate));
   window->SetType(ui::wm::WINDOW_TYPE_NORMAL);
   window->Init(ui::LAYER_TEXTURED);
   ParentWindowInPrimaryRootWindow(window.get());
   window->SetBoundsInScreen(gfx::Rect(0, 0, 50, 60),
                             gfx::Screen::GetScreen()->GetPrimaryDisplay());
   window->Show();
   EXPECT_TRUE(ash::wm::CanActivateWindow(window.get()));
   ash::wm::ActivateWindow(window.get());
   EXPECT_EQ(root_windows[0], window->GetRootWindow());
   EXPECT_EQ(root_windows[0], ash::Shell::GetTargetRootWindow());
   {
     // Grab (0, 0) of the window.
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window.get(), gfx::Point(), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window.get(), gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     // Drag the pointer to the right. Once it reaches the right edge of the
     // primary display, it warps to the secondary.
     resizer->Drag(CalculateDragPoint(*resizer, 800, 10), 0);
     resizer->CompleteDrag();
     // The whole window is on the secondary display now. The parent should be
     // changed.
     EXPECT_EQ(root_windows[1], window->GetRootWindow());
     EXPECT_EQ(root_windows[1], ash::Shell::GetTargetRootWindow());
   }
 }
 
 // Verifies a window can be moved from the secondary display to primary.
 TEST_F(DragWindowResizerTest, WindowDragWithMultiDisplaysRightToLeft) {
   if (!SupportsMultipleDisplays())
     return;
 
   UpdateDisplay("800x600,800x600");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   ASSERT_EQ(2U, root_windows.size());
 
   window_->SetBoundsInScreen(
       gfx::Rect(800, 00, 50, 60),
       gfx::Screen::GetScreen()->GetDisplayNearestWindow(root_windows[1]));
   EXPECT_EQ(root_windows[1], window_->GetRootWindow());
   {
     // Grab (0, 0) of the window.
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window_.get(), gfx::Point(), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window_.get(), gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     // Move the mouse near the right edge, (798, 0), of the primary display.
     resizer->Drag(CalculateDragPoint(*resizer, -2, 0), ui::EF_CONTROL_DOWN);
     resizer->CompleteDrag();
     EXPECT_EQ(root_windows[0], window_->GetRootWindow());
     // Window origin should be adjusted for minimum visibility (25px).
     EXPECT_EQ("775,0 50x60", window_->bounds().ToString());
   }
 }
 
 // Verifies the drag window is shown correctly.
 TEST_F(DragWindowResizerTest, DragWindowController) {
   if (!SupportsMultipleDisplays())
     return;
 
   UpdateDisplay("800x600,800x600");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   ASSERT_EQ(2U, root_windows.size());
 
   window_->SetBoundsInScreen(gfx::Rect(0, 0, 50, 60),
                              gfx::Screen::GetScreen()->GetPrimaryDisplay());
   EXPECT_EQ(root_windows[0], window_->GetRootWindow());
   EXPECT_FLOAT_EQ(1.0f, window_->layer()->opacity());
   {
     // Hold the center of the window so that the window doesn't stick to the
     // edge when dragging around the edge of the display.
-    scoped_ptr<WindowResizer> resizer(
+    std::unique_ptr<WindowResizer> resizer(
         CreateDragWindowResizer(window_.get(), gfx::Point(25, 30), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     DragWindowResizer* drag_resizer = DragWindowResizer::instance_;
     ASSERT_TRUE(drag_resizer);
     EXPECT_FALSE(drag_resizer->drag_window_controller_.get());
 
     // The pointer is inside the primary root. The drag window controller
     // should be NULL.
     resizer->Drag(CalculateDragPoint(*resizer, 10, 10), 0);
     DragWindowController* controller =
@@ skipping 29 matching lines @@
     EXPECT_EQ(root_windows[1], window_->GetRootWindow());
     EXPECT_FLOAT_EQ(1.0f, window_->layer()->opacity());
   }
 
   // Do the same test with RevertDrag().
   window_->SetBoundsInScreen(gfx::Rect(0, 0, 50, 60),
                              gfx::Screen::GetScreen()->GetPrimaryDisplay());
   EXPECT_EQ(root_windows[0], window_->GetRootWindow());
   EXPECT_FLOAT_EQ(1.0f, window_->layer()->opacity());
   {
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window_.get(), gfx::Point(), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window_.get(), gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     DragWindowResizer* drag_resizer = DragWindowResizer::instance_;
     DragWindowController* controller =
         drag_resizer->drag_window_controller_.get();
     ASSERT_TRUE(drag_resizer);
     EXPECT_FALSE(controller);
 
     resizer->Drag(CalculateDragPoint(*resizer, 0, 610), 0);
     resizer->RevertDrag();
     EXPECT_EQ(root_windows[0], window_->GetRootWindow());
@@ skipping 27 matching lines @@
   ASSERT_EQ(gfx::Rect(0, 600, 800, 600),
             display_manager->GetDisplayForId(list[2]).bounds());
 
   // Create a window on 2nd display.
   window_->SetBoundsInScreen(gfx::Rect(400, 0, 100, 100),
                              display_manager->GetDisplayForId(list[1]));
   ASSERT_EQ(root_windows[1], window_->GetRootWindow());
 
   // Hold the center of the window so that the window doesn't stick to the edge
   // when dragging around the edge of the display.
-  scoped_ptr<WindowResizer> resizer(
+  std::unique_ptr<WindowResizer> resizer(
       CreateDragWindowResizer(window_.get(), gfx::Point(50, 50), HTCAPTION));
   ASSERT_TRUE(resizer.get());
   DragWindowResizer* drag_resizer = DragWindowResizer::instance_;
   ASSERT_TRUE(drag_resizer);
   EXPECT_FALSE(drag_resizer->drag_window_controller_.get());
   resizer->Drag(CalculateDragPoint(*resizer, -50, 0), 0);
   DragWindowController* controller =
       drag_resizer->drag_window_controller_.get();
   ASSERT_TRUE(controller);
   ASSERT_EQ(1, controller->GetDragWindowsCountForTest());
@@ skipping 58 matching lines @@
 // Verifies if the resizer sets and resets
 // MouseCursorEventFilter::mouse_warp_mode_ as expected.
 TEST_F(DragWindowResizerTest, WarpMousePointer) {
   MouseCursorEventFilter* event_filter =
       Shell::GetInstance()->mouse_cursor_filter();
   ASSERT_TRUE(event_filter);
   window_->SetBounds(gfx::Rect(0, 0, 50, 60));
 
   EXPECT_TRUE(event_filter->mouse_warp_enabled_);
   {
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window_.get(), gfx::Point(), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window_.get(), gfx::Point(), HTCAPTION));
     // While dragging a window, warp should be allowed.
     EXPECT_TRUE(event_filter->mouse_warp_enabled_);
     resizer->CompleteDrag();
   }
   EXPECT_TRUE(event_filter->mouse_warp_enabled_);
 
   {
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window_.get(), gfx::Point(), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window_.get(), gfx::Point(), HTCAPTION));
     EXPECT_TRUE(event_filter->mouse_warp_enabled_);
     resizer->RevertDrag();
   }
   EXPECT_TRUE(event_filter->mouse_warp_enabled_);
 
   {
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window_.get(), gfx::Point(), HTRIGHT));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window_.get(), gfx::Point(), HTRIGHT));
     // While resizing a window, warp should NOT be allowed.
     EXPECT_FALSE(event_filter->mouse_warp_enabled_);
     resizer->CompleteDrag();
   }
   EXPECT_TRUE(event_filter->mouse_warp_enabled_);
 
   {
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window_.get(), gfx::Point(), HTRIGHT));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window_.get(), gfx::Point(), HTRIGHT));
     EXPECT_FALSE(event_filter->mouse_warp_enabled_);
     resizer->RevertDrag();
   }
   EXPECT_TRUE(event_filter->mouse_warp_enabled_);
 }
 
 // Verifies cursor's device scale factor is updated whe a window is moved across
 // root windows with different device scale factors (http://crbug.com/154183).
 TEST_F(DragWindowResizerTest, CursorDeviceScaleFactor) {
   if (!SupportsMultipleDisplays())
     return;
 
   // The secondary display is logically on the right, but on the system (e.g. X)
   // layer, it's below the primary one. See UpdateDisplay() in ash_test_base.cc.
   UpdateDisplay("400x400,800x800*2");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   ASSERT_EQ(2U, root_windows.size());
 
   test::CursorManagerTestApi cursor_test_api(
       Shell::GetInstance()->cursor_manager());
   // Move window from the root window with 1.0 device scale factor to the root
   // window with 2.0 device scale factor.
   {
     window_->SetBoundsInScreen(gfx::Rect(0, 0, 50, 60),
                                gfx::Screen::GetScreen()->GetPrimaryDisplay());
     EXPECT_EQ(root_windows[0], window_->GetRootWindow());
     // Grab (0, 0) of the window.
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window_.get(), gfx::Point(), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window_.get(), gfx::Point(), HTCAPTION));
     EXPECT_EQ(1.0f, cursor_test_api.GetCurrentCursor().device_scale_factor());
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 399, 200), 0);
     TestIfMouseWarpsAt(gfx::Point(399, 200));
     EXPECT_EQ(2.0f, cursor_test_api.GetCurrentCursor().device_scale_factor());
     resizer->CompleteDrag();
     EXPECT_EQ(2.0f, cursor_test_api.GetCurrentCursor().device_scale_factor());
   }
 
   // Move window from the root window with 2.0 device scale factor to the root
   // window with 1.0 device scale factor.
   {
     // Make sure the window is on the default container first.
     aura::Window* default_container =
         GetRootWindowController(root_windows[1])
             ->GetContainer(kShellWindowId_DefaultContainer);
     default_container->AddChild(window_.get());
     window_->SetBoundsInScreen(
         gfx::Rect(600, 0, 50, 60),
         gfx::Screen::GetScreen()->GetDisplayNearestWindow(root_windows[1]));
     EXPECT_EQ(root_windows[1], window_->GetRootWindow());
     // Grab (0, 0) of the window.
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window_.get(), gfx::Point(), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window_.get(), gfx::Point(), HTCAPTION));
     EXPECT_EQ(2.0f, cursor_test_api.GetCurrentCursor().device_scale_factor());
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, -200, 200), 0);
     TestIfMouseWarpsAt(gfx::Point(400, 200));
     EXPECT_EQ(1.0f, cursor_test_api.GetCurrentCursor().device_scale_factor());
     resizer->CompleteDrag();
     EXPECT_EQ(1.0f, cursor_test_api.GetCurrentCursor().device_scale_factor());
   }
 }
 
 // Verifies several kinds of windows can be moved across displays.
 TEST_F(DragWindowResizerTest, MoveWindowAcrossDisplays) {
   if (!SupportsMultipleDisplays())
     return;
 
   // The secondary display is logically on the right, but on the system (e.g. X)
   // layer, it's below the primary one. See UpdateDisplay() in ash_test_base.cc.
   UpdateDisplay("400x400,400x400");
 
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   ASSERT_EQ(2U, root_windows.size());
 
   // Normal window can be moved across display.
   {
     aura::Window* window = window_.get();
     window->SetBoundsInScreen(gfx::Rect(0, 0, 50, 60),
                               gfx::Screen::GetScreen()->GetPrimaryDisplay());
     // Grab (0, 0) of the window.
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window, gfx::Point(), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window, gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 399, 200), 0);
     EXPECT_TRUE(TestIfMouseWarpsAt(gfx::Point(399, 200)));
     EXPECT_EQ("401,200",
               aura::Env::GetInstance()->last_mouse_location().ToString());
     resizer->CompleteDrag();
   }
 
   // Always on top window can be moved across display.
   {
     aura::Window* window = always_on_top_window_.get();
     window->SetBoundsInScreen(gfx::Rect(0, 0, 50, 60),
                               gfx::Screen::GetScreen()->GetPrimaryDisplay());
     // Grab (0, 0) of the window.
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window, gfx::Point(), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window, gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 399, 200), 0);
     EXPECT_TRUE(TestIfMouseWarpsAt(gfx::Point(399, 200)));
     EXPECT_EQ("401,200",
               aura::Env::GetInstance()->last_mouse_location().ToString());
     resizer->CompleteDrag();
   }
 
   // System modal window can be moved across display.
   {
     aura::Window* window = system_modal_window_.get();
     window->SetBoundsInScreen(gfx::Rect(0, 0, 50, 60),
                               gfx::Screen::GetScreen()->GetPrimaryDisplay());
     aura::Env::GetInstance()->set_last_mouse_location(gfx::Point(0, 0));
     // Grab (0, 0) of the window.
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window, gfx::Point(), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window, gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 399, 200), 0);
     EXPECT_TRUE(TestIfMouseWarpsAt(gfx::Point(399, 200)));
     EXPECT_EQ("401,200",
               aura::Env::GetInstance()->last_mouse_location().ToString());
     resizer->CompleteDrag();
   }
 
   // Transient window cannot be moved across display.
   {
     aura::Window* window = transient_child_;
     window->SetBoundsInScreen(gfx::Rect(0, 0, 50, 60),
                               gfx::Screen::GetScreen()->GetPrimaryDisplay());
     // Grab (0, 0) of the window.
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window, gfx::Point(), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window, gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 399, 200), 0);
     EXPECT_FALSE(TestIfMouseWarpsAt(gfx::Point(399, 200)));
     EXPECT_EQ("399,200",
               aura::Env::GetInstance()->last_mouse_location().ToString());
     resizer->CompleteDrag();
   }
 
   // The parent of transient window can be moved across display.
   {
     aura::Window* window = transient_parent_.get();
     window->SetBoundsInScreen(gfx::Rect(0, 0, 50, 60),
                               gfx::Screen::GetScreen()->GetPrimaryDisplay());
     // Grab (0, 0) of the window.
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window, gfx::Point(), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window, gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 399, 200), 0);
     EXPECT_TRUE(TestIfMouseWarpsAt(gfx::Point(399, 200)));
     EXPECT_EQ("401,200",
               aura::Env::GetInstance()->last_mouse_location().ToString());
     resizer->CompleteDrag();
   }
 
   // Panel window can be moved across display.
   {
     aura::Window* window = panel_window_.get();
     window->SetBoundsInScreen(gfx::Rect(0, 0, 50, 60),
                               gfx::Screen::GetScreen()->GetPrimaryDisplay());
     // Grab (0, 0) of the window.
-    scoped_ptr<WindowResizer> resizer(CreateDragWindowResizer(
-        window, gfx::Point(), HTCAPTION));
+    std::unique_ptr<WindowResizer> resizer(
+        CreateDragWindowResizer(window, gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 399, 200), 0);
     EXPECT_TRUE(TestIfMouseWarpsAt(gfx::Point(399, 200)));
     EXPECT_EQ("401,200",
               aura::Env::GetInstance()->last_mouse_location().ToString());
     resizer->CompleteDrag();
   }
 }
 
 }  // namespace ash