Scale the location of drag image for high DPI

ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.cc

Index: ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.cc
diff --git a/ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.cc b/ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.cc
index c133595c1232d980619f041deca5d0dfb7f94a95..cbe21d44ed67f88bba16fda36b2607935e98c3f5 100644
--- a/ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.cc
+++ b/ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.cc
@@ -767,9 +767,13 @@ void DesktopDragDropClientAuraX11::OnMouseMovement(
     int flags,
     base::TimeDelta event_time) {
   if (drag_widget_.get()) {
+    display::Display display =
+        display::Screen::GetScreen()->GetDisplayNearestWindow(
+            drag_widget_->GetNativeWindow());
+    gfx::Point scaled_point = gfx::ScaleToRoundedPoint(
+        screen_point, 1.f / display.device_scale_factor());
     drag_widget_->SetBounds(
-        gfx::Rect(screen_point - drag_widget_offset_,
-                  drag_widget_->GetWindowBoundsInScreen().size()));
+        gfx::Rect(scaled_point - drag_widget_offset_, drag_image_size_));
     drag_widget_->StackAtTop();
   }
 
@@ -1196,9 +1200,10 @@ void DesktopDragDropClientAuraX11::CreateDragWidget(
   widget->SetOpacity(kDragWidgetOpacity);
   widget->GetNativeWindow()->SetName("DragWindow");
 
+  drag_image_size_ = image.size();
   ImageView* image_view = new ImageView();
   image_view->SetImage(image);
-  image_view->SetBounds(0, 0, image.width(), image.height());
+  image_view->SetBoundsRect(gfx::Rect(drag_image_size_));
   widget->SetContentsView(image_view);
   widget->Show();
   widget->GetNativeWindow()->layer()->SetFillsBoundsOpaquely(false);