Adds the touch calibration setting behind a chrome switch

extensions/browser/api/system_display/display_info_provider.cc

Index: extensions/browser/api/system_display/display_info_provider.cc
diff --git a/extensions/browser/api/system_display/display_info_provider.cc b/extensions/browser/api/system_display/display_info_provider.cc
index 1b207ae019548a91dcf24ebef582e768a99b6ff4..dc186e25a4bbb323a55e8fc58dd70644f2ab8645 100644
--- a/extensions/browser/api/system_display/display_info_provider.cc
+++ b/extensions/browser/api/system_display/display_info_provider.cc
@@ -70,6 +70,8 @@ api::system_display::DisplayUnitInfo DisplayInfoProvider::CreateDisplayUnitInfo(
   unit.work_area.top = work_area.y();
   unit.work_area.width = work_area.width();
   unit.work_area.height = work_area.height();
+  unit.has_touch_support =
+      display.touch_support() == display::Display::TOUCH_SUPPORT_AVAILABLE;
   return unit;
 }