Prepare SyntheticPointerAction to handle touch actions for multiple fingers

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index 0dbe07a5ab1491331dd0a837a121e35dec5ecf63..e4384ebc620a23ed5d709fb7f072b8a7de890bdc 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -1386,9 +1386,13 @@ void RenderWidget::QueueSyntheticGesture(
 
   pending_synthetic_gesture_callbacks_.push(callback);
 
+  QueueSyntheticGesture(std::move(gesture_params));
+}
+
+void RenderWidget::QueueSyntheticGesture(
+    std::unique_ptr<SyntheticGestureParams> gesture_params) {
   SyntheticGesturePacket gesture_packet;
   gesture_packet.set_gesture_params(std::move(gesture_params));
-
   Send(new InputHostMsg_QueueSyntheticGesture(routing_id_, gesture_packet));
 }