Allow the user to drag a window from one display to another

ash/wm/default_window_resizer.cc

Index: ash/wm/default_window_resizer.cc
diff --git a/ash/wm/default_window_resizer.cc b/ash/wm/default_window_resizer.cc
index 16f4db395f62477e8de40783bc9c55ebfd3ead69..a02e367559f1526c77159139760ef73ee44e05b7 100644
--- a/ash/wm/default_window_resizer.cc
+++ b/ash/wm/default_window_resizer.cc
@@ -47,7 +47,7 @@ void DefaultWindowResizer::Drag(const gfx::Point& location_in_screen,
   int grid_size = event_flags & ui::EF_CONTROL_DOWN ?
                   0 : ash::Shell::GetInstance()->GetGridSize();
   gfx::Rect bounds(
-      CalculateBoundsForDrag(details_, location_in_root, grid_size));
+      CalculateBoundsForDrag(details_, location_in_screen, grid_size));
   if (bounds != details_.window->bounds()) {
     did_move_or_resize_ = true;
     details_.window->SetBounds(bounds);