Add PointerDetails to ui::MouseEvent's constructors

ash/drag_drop/drag_drop_tracker.cc

Index: ash/drag_drop/drag_drop_tracker.cc
diff --git a/ash/drag_drop/drag_drop_tracker.cc b/ash/drag_drop/drag_drop_tracker.cc
index 48b877f3c62eebda1961f8a9d8e7f6df43025e07..0ee042a79e9cace9140680ab2d6fc909f38ec7da 100644
--- a/ash/drag_drop/drag_drop_tracker.cc
+++ b/ash/drag_drop/drag_drop_tracker.cc
@@ -92,7 +92,9 @@ ui::LocatedEvent* DragDropTracker::ConvertEvent(aura::Window* target,
   return new ui::MouseEvent(
       event.type(), target_location, target_root_location,
       ui::EventTimeForNow(), event.flags(),
-      static_cast<const ui::MouseEvent&>(event).changed_button_flags());
+      static_cast<const ui::MouseEvent&>(event).changed_button_flags(),
+      ui::PointerDetails(ui::EventPointerType::POINTER_TYPE_MOUSE,
+                         ui::PointerEvent::kMousePointerId));
 }
 
 }  // namespace ash