Include external touchscreen vid/pid in UMA hardware profile

ui/events/event_utils.h

Index: ui/events/event_utils.h
diff --git a/ui/events/event_utils.h b/ui/events/event_utils.h
index 30092bc27c6772a5154fb540fda836b93cccbc9e..e428021eaf38c1bee672f7cb5b77289599e19f62 100644
--- a/ui/events/event_utils.h
+++ b/ui/events/event_utils.h
@@ -8,6 +8,7 @@
 #include "base/event_types.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/keycodes/keyboard_codes.h"
+#include "ui/gfx/display.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/events/events_export.h"
 
@@ -133,6 +134,9 @@ EVENTS_EXPORT bool IsNaturalScrollEnabled();
 // Returns whether natural scrolling should be used for touchpad.
 EVENTS_EXPORT bool ShouldDefaultToNaturalScroll();
 
+// Returns whether or not the internal display produces touch events.
+EVENTS_EXPORT gfx::Display::TouchSupport InternalDisplaySupportsTouch();
+
 // Was this event generated by a touchpad device?
 // The caller is responsible for ensuring that this is a mouse/touchpad event
 // before calling this function.