[VSync Queue] Plug touch ack to gesture events and flush vsync queue if necessary

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index b9898a869d9c3e42e0e206cce3d8230a93d8aee9..7cf58c978d541ca4f8bb680796413804f30174f3 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -60,6 +60,7 @@
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_input_event_router.h"
+#include "content/browser/renderer_host/ui_events_helper.h"
 #include "content/common/gpu_stream_constants.h"
 #include "content/common/input_messages.h"
 #include "content/common/site_isolation_policy.h"
@@ -1666,8 +1667,9 @@ gfx::Rect RenderWidgetHostViewAndroid::GetBoundsInRootWindow() {
 void RenderWidgetHostViewAndroid::ProcessAckedTouchEvent(
     const TouchEventWithLatencyInfo& touch, InputEventAckState ack_result) {
   const bool event_consumed = ack_result == INPUT_EVENT_ACK_STATE_CONSUMED;
-  gesture_provider_.OnTouchEventAck(touch.event.unique_touch_event_id,
-                                    event_consumed);
+  gesture_provider_.OnTouchEventAck(
+      touch.event.unique_touch_event_id, event_consumed,
+      InputEventAckStateIsSetNonBlocking(ack_result));
 }
 
 void RenderWidgetHostViewAndroid::GestureEventAck(