Non passive touch end or touch cancel listeners should not block scroll.

cc/input/event_listener_properties.h

Index: cc/input/event_listener_properties.h
diff --git a/cc/input/event_listener_properties.h b/cc/input/event_listener_properties.h
index 6b9141da7509778420ce73548a3675793c6cd0e8..4e5810a1a5a527b9924dd28b2bdec49178595ef7 100644
--- a/cc/input/event_listener_properties.h
+++ b/cc/input/event_listener_properties.h
@@ -7,7 +7,15 @@
 
 namespace cc {
 
-enum class EventListenerClass { kTouch, kMouseWheel, kNumClasses };
+enum class EventListenerClass {
+  // This value includes "touchstart", "touchmove", and "pointer" events.
+  kTouch,
+  // This value includes "wheel" and "mousewheel" events.
+  kMouseWheel,
+  // This value includes "touchend" and "touchcancel" events.
+  kTouchEndOrCancel,
+  kNumClasses
+};
 
 enum class EventListenerProperties {
   kNone,