Use platform's device scale factor for cursor

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/mouse_cursor_event_filter.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shell.h"
@@ skipping 476 matching lines @@
       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),
                                Shell::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));
-    EXPECT_EQ(1.0f, cursor_test_api.GetDisplay().device_scale_factor());
+    EXPECT_EQ(1.0f, cursor_test_api.GetCurrentCursor().device_scale_factor());
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 399, 200), 0);
     WarpMouseCursorIfNecessary(root_windows[0], gfx::Point(399, 200));
-    EXPECT_EQ(2.0f, cursor_test_api.GetDisplay().device_scale_factor());
+    EXPECT_EQ(2.0f, cursor_test_api.GetCurrentCursor().device_scale_factor());
     resizer->CompleteDrag();
-    EXPECT_EQ(2.0f, cursor_test_api.GetDisplay().device_scale_factor());
+    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),
         Shell::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));
-    EXPECT_EQ(2.0f, cursor_test_api.GetDisplay().device_scale_factor());
+    EXPECT_EQ(2.0f, cursor_test_api.GetCurrentCursor().device_scale_factor());
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, -200, 200), 0);
     WarpMouseCursorIfNecessary(root_windows[1], gfx::Point(400, 200));
-    EXPECT_EQ(1.0f, cursor_test_api.GetDisplay().device_scale_factor());
+    EXPECT_EQ(1.0f, cursor_test_api.GetCurrentCursor().device_scale_factor());
     resizer->CompleteDrag();
-    EXPECT_EQ(1.0f, cursor_test_api.GetDisplay().device_scale_factor());
+    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.
@@ skipping 88 matching lines @@
         window, gfx::Point(), HTCAPTION));
     ASSERT_TRUE(resizer.get());
     resizer->Drag(CalculateDragPoint(*resizer, 399, 200), 0);
     EXPECT_TRUE(WarpMouseCursorIfNecessary(root_windows[0],
                                            gfx::Point(399, 200)));
     resizer->CompleteDrag();
   }
 }
 
 }  // namespace ash