Touch Events - changedTouches list includes non-changed touch points on Android

content/browser/renderer_host/input/touch_event_queue.h

Index: content/browser/renderer_host/input/touch_event_queue.h
diff --git a/content/browser/renderer_host/input/touch_event_queue.h b/content/browser/renderer_host/input/touch_event_queue.h
index 3bdab903750f69d119f6f1f077c7f2a89ce3f784..0895cfaa9afbec7491329875a100aa4c95dcfa61 100644
--- a/content/browser/renderer_host/input/touch_event_queue.h
+++ b/content/browser/renderer_host/input/touch_event_queue.h
@@ -168,6 +168,11 @@ class CONTENT_EXPORT TouchEventQueue {
   // Safely pop the head of the queue.
   scoped_ptr<CoalescedWebTouchEvent> PopTouchEvent();
 
+  // Updates touches state in TouchMove event if touch position
+  // has not been changed and should call SendTouchEventImmediately()
+  void UpdateTouchesStateIfNeededAndSendTouchEvent(
+      TouchEventWithLatencyInfo& touch);
+
   // Dispatch |touch| to the client.
   void SendTouchEventImmediately(const TouchEventWithLatencyInfo& touch);
 
@@ -241,6 +246,9 @@ class CONTENT_EXPORT TouchEventQueue {
   // mode.
   const TouchScrollingMode touch_scrolling_mode_;
 
+  // TouchMove event is saved to compare touches position in next TouchMove
+  scoped_ptr<TouchEventWithLatencyInfo> last_sent_touchmove_;
+
   DISALLOW_COPY_AND_ASSIGN(TouchEventQueue);
 };