Make SyntheticPointerAction to flush the pointer action sequence

content/browser/renderer_host/input/synthetic_gesture_controller.cc

Index: content/browser/renderer_host/input/synthetic_gesture_controller.cc
diff --git a/content/browser/renderer_host/input/synthetic_gesture_controller.cc b/content/browser/renderer_host/input/synthetic_gesture_controller.cc
index 9e5bc84403eb18e01f09e43b26b9db51fbd20211..ea9b82c06726c23eefa960a1c3697bc573c27354 100644
--- a/content/browser/renderer_host/input/synthetic_gesture_controller.cc
+++ b/content/browser/renderer_host/input/synthetic_gesture_controller.cc
@@ -16,7 +16,10 @@ namespace content {
 
 SyntheticGestureController::SyntheticGestureController(
     std::unique_ptr<SyntheticGestureTarget> gesture_target)
-    : gesture_target_(std::move(gesture_target)) {}
+    : gesture_target_(std::move(gesture_target)) {
+  pointer_action_controller_.SetDefaultGestureSourceType(
+      gesture_target_->GetDefaultSyntheticGestureSourceType());
+}
 
 SyntheticGestureController::~SyntheticGestureController() {}
 
@@ -93,6 +96,13 @@ void SyntheticGestureController::StopGesture(
   completion_callback.Run(result);
 }
 
+std::unique_ptr<SyntheticGesture>
+SyntheticGestureController::CreateSyntheticPointerAction(
+    const SyntheticPointerActionListParams& gesture_params) {
+  return pointer_action_controller_.CreateSyntheticPointerAction(
+      *SyntheticPointerActionListParams::Cast(&gesture_params));
+}
+
 SyntheticGestureController::GestureAndCallbackQueue::GestureAndCallbackQueue() {
 }