Include external touchscreen vid/pid in UMA hardware profile

ui/events/event_utils.cc

Index: ui/events/event_utils.cc
diff --git a/ui/events/event_utils.cc b/ui/events/event_utils.cc
index a8c95da6f8ffb475c5782c8a32cad8401731b9d2..9cab421394a7031d395d19b8c27425fb31a952d7 100644
--- a/ui/events/event_utils.cc
+++ b/ui/events/event_utils.cc
@@ -30,6 +30,10 @@ base::TimeDelta EventTimeForNow() {
 }
 
 bool ShouldDefaultToNaturalScroll() {
+  return InternalDisplaySupportsTouch();
+}
+
+bool InternalDisplaySupportsTouch() {
   gfx::Screen* screen = gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_NATIVE);
   if (!screen)
     return false;