Animates touch points on screen tap during touch calibration

chrome/browser/chromeos/display/touch_calibrator/touch_calibrator_controller.cc

Index: chrome/browser/chromeos/display/touch_calibrator/touch_calibrator_controller.cc
diff --git a/chrome/browser/chromeos/display/touch_calibrator/touch_calibrator_controller.cc b/chrome/browser/chromeos/display/touch_calibrator/touch_calibrator_controller.cc
index 2f56fa51d053371764c02202099b7018024a62cd..dd980bdc7f947ce9b793f6eee34d19725bb8ee1a 100644
--- a/chrome/browser/chromeos/display/touch_calibrator/touch_calibrator_controller.cc
+++ b/chrome/browser/chromeos/display/touch_calibrator/touch_calibrator_controller.cc
@@ -125,6 +125,10 @@ void TouchCalibratorController::OnTouchEvent(ui::TouchEvent* touch) {
   if (target_screen_calibration_view->GetDisplayPointLocation(&display_point)) {
     touch_point_quad_[state_index] =
         std::make_pair(display_point, touch->location());
+  } else {
+    // TODO(malaykeshav): Display some kind of error for the user.
+    NOTREACHED() << "Touch calibration failed. Could not retrieve location for"
+                    " display point. Retry calibration.";
   }
 
   // If this is the final state, then store all calibration data and stop