Always reset touch action at the beginning of a new gesture sequence

content/browser/renderer_host/input/touch_action_filter.cc

Index: content/browser/renderer_host/input/touch_action_filter.cc
diff --git a/content/browser/renderer_host/input/touch_action_filter.cc b/content/browser/renderer_host/input/touch_action_filter.cc
index eea8082cf90a8e9357d79ed71d983fd5d08256c1..88bb366e19a4f479fc68cdab637f61cedd5f58e3 100644
--- a/content/browser/renderer_host/input/touch_action_filter.cc
+++ b/content/browser/renderer_host/input/touch_action_filter.cc
@@ -118,7 +118,6 @@ bool TouchActionFilter::FilterGestureEvent(WebGestureEvent* gesture_event) {
 }
 
 bool TouchActionFilter::FilterScrollEndingGesture() {
-  allowed_touch_action_ = TOUCH_ACTION_AUTO;
   DCHECK(!drop_pinch_gesture_events_);
   if (drop_scroll_gesture_events_) {
     drop_scroll_gesture_events_ = false;
@@ -142,6 +141,12 @@ void TouchActionFilter::OnSetTouchAction(TouchAction touch_action) {
   allowed_touch_action_ = Intersect(allowed_touch_action_, touch_action);
 }
 
+void TouchActionFilter::OnTouchSequenceStart() {
+  DCHECK(!drop_scroll_gesture_events_);
+  DCHECK(!drop_pinch_gesture_events_);
+  allowed_touch_action_ = TOUCH_ACTION_AUTO;
+}
+
 bool TouchActionFilter::ShouldSuppressScroll(
     const blink::WebGestureEvent& gesture_event) {
   DCHECK_EQ(gesture_event.type, WebInputEvent::GestureScrollBegin);