Prepare SyntheticPointerAction to handle touch actions for multiple fingers

content/renderer/render_widget.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_widget.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 1384 matching lines @@
       FROM_HERE, base::Bind(&RenderWidget::DoDeferredClose, this));
 }
 
 void RenderWidget::QueueSyntheticGesture(
     std::unique_ptr<SyntheticGestureParams> gesture_params,
     const SyntheticGestureCompletionCallback& callback) {
   DCHECK(!callback.is_null());
 
   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));
 }
 
 void RenderWidget::Close() {
   screen_metrics_emulator_.reset();
   WillCloseLayerTreeView();
   compositor_.reset();
   if (webwidget_) {
     webwidget_->close();
     webwidget_ = nullptr;
@@ skipping 667 matching lines @@
 }
 
 float RenderWidget::GetOriginalDeviceScaleFactor() const {
   return
       screen_metrics_emulator_ ?
       screen_metrics_emulator_->original_screen_info().deviceScaleFactor :
       device_scale_factor_;
 }
 
 }  // namespace content