Pass MotionEvent tilt angles to Blink on Android.

content/browser/renderer_host/input/touch_event_queue.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/input/touch_event_queue.h"
 
 #include "base/auto_reset.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/stl_util.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 38 matching lines @@
 
 // Compare all properties of touch points to determine the state.
 bool HasPointChanged(const WebTouchPoint& point_1,
     const WebTouchPoint& point_2) {
   DCHECK_EQ(point_1.id, point_2.id);
   if (point_1.screenPosition != point_2.screenPosition ||
       point_1.position != point_2.position ||
       point_1.radiusX != point_2.radiusX ||
       point_1.radiusY != point_2.radiusY ||
       point_1.rotationAngle != point_2.rotationAngle ||
-      point_1.force != point_2.force) {
+      point_1.force != point_2.force ||
+      point_1.tiltX != point_2.tiltX ||
+      point_1.tiltY != point_2.tiltY) {
     return true;
   }
   return false;
 }
 
 }  // namespace
 
 
 // Cancels a touch sequence if a touchstart or touchmove ack response is
 // sufficiently delayed.
@@ skipping 802 matching lines @@
     if (ack_result == INPUT_EVENT_ACK_STATE_CONSUMED)
       send_touch_events_async_ = false;
     has_handler_for_current_sequence_ |=
         ack_result != INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS;
   } else if (WebTouchEventTraits::IsTouchSequenceEnd(event)) {
     has_handler_for_current_sequence_ = false;
   }
 }
 
 }  // namespace content