Pass MotionEvent tilt angles to Blink on Android.

ui/events/test/motion_event_test_utils.cc

Index: ui/events/test/motion_event_test_utils.cc
diff --git a/ui/events/test/motion_event_test_utils.cc b/ui/events/test/motion_event_test_utils.cc
index 0a3f80d26efbee7a552588367b416f4238a070e2..d976f0b2ab1419f98dd8ca4cc6a561242de3f6d4 100644
--- a/ui/events/test/motion_event_test_utils.cc
+++ b/ui/events/test/motion_event_test_utils.cc
@@ -213,6 +213,12 @@ std::string ToString(const MotionEvent& event) {
          << event.GetTouchMinor(pi) << ")"
          << "\n  Orientation: " << event.GetOrientation(pi)
          << "\n  Pressure: " << event.GetPressure(pi)
+         // TODO(e_hakkinen): Remove GetTilt and GetTiltOrientation or GetTiltX
+         //                   and GetTiltY.
+         << "\n  Tilt: (" << event.GetTilt(pi) << ", "
+         << event.GetTiltOrientation(pi) << "; "
+         << event.GetTiltX(pi) << ", "
+         << event.GetTiltY(pi) << ")"
          << "\n  Tool: " << event.GetToolType(pi);
       if (history_size) {
         ss << "\n  History: [";