[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 e1437b451ef82a6ccbdaa7bcdb0cfded5a8c3592..96ce0c999b1a559c52741bf6c2ddbaf5d6ae52a5 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -61,6 +61,7 @@
 #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"
@@ -1687,8 +1688,9 @@ 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(