Implement async touchmove dispatch during scroll

content/browser/renderer_host/input/input_router_impl.cc

Index: content/browser/renderer_host/input/input_router_impl.cc
diff --git a/content/browser/renderer_host/input/input_router_impl.cc b/content/browser/renderer_host/input/input_router_impl.cc
index 129f34698a3b97b521c3dbc4f61b1194154da54f..28ffccbb60170d5a0bbfc1b3bd8458086eec40df 100644
--- a/content/browser/renderer_host/input/input_router_impl.cc
+++ b/content/browser/renderer_host/input/input_router_impl.cc
@@ -447,7 +447,7 @@ void InputRouterImpl::OfferToHandlers(const WebInputEvent& input_event,
   OfferToRenderer(input_event, latency_info, is_keyboard_shortcut);
 
   // If we don't care about the ack disposition, send the ack immediately.
-  if (WebInputEventTraits::IgnoresAckDisposition(input_event.type)) {
+  if (WebInputEventTraits::IgnoresAckDisposition(input_event)) {
     ProcessInputEventAck(input_event.type,
                          INPUT_EVENT_ACK_STATE_IGNORED,
                          latency_info,
@@ -524,7 +524,7 @@ bool InputRouterImpl::OfferToRenderer(const WebInputEvent& input_event,
     // Ack messages for ignored ack event types are not required, and might
     // never be sent by the renderer. Consequently, such event types should not
     // affect event timing or in-flight event count metrics.
-    if (!WebInputEventTraits::IgnoresAckDisposition(input_event.type)) {
+    if (!WebInputEventTraits::IgnoresAckDisposition(input_event)) {
       input_event_start_time_ = TimeTicks::Now();
       client_->IncrementInFlightEventCount();
     }