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..b34ca8af48341655b851a88ba6ad94c568735447 100644
--- a/content/browser/renderer_host/input/touch_event_queue.h
+++ b/content/browser/renderer_host/input/touch_event_queue.h
@@ -168,8 +168,9 @@ class CONTENT_EXPORT TouchEventQueue {
   // Safely pop the head of the queue.
   scoped_ptr<CoalescedWebTouchEvent> PopTouchEvent();
 
-  // Dispatch |touch| to the client.
-  void SendTouchEventImmediately(const TouchEventWithLatencyInfo& touch);
+  // Dispatch |touch| to the client. Before dispatching, updates touches state
+  // in touchmove event if touch position has not been changed
+  void SendTouchEventImmediately(TouchEventWithLatencyInfo& touch);
 
   enum PreFilterResult {
     ACK_WITH_NO_CONSUMER_EXISTS,
@@ -241,6 +242,9 @@ class CONTENT_EXPORT TouchEventQueue {
   // mode.
   const TouchScrollingMode touch_scrolling_mode_;
 
+  // TouchMove event is saved to compare touches position in next TouchMove
+  scoped_ptr<blink::WebTouchEvent> last_sent_touchmove_;
+
   DISALLOW_COPY_AND_ASSIGN(TouchEventQueue);
 };