Make SyntheticPointerAction to flush the pointer action sequence

content/browser/renderer_host/input/synthetic_pointer_action.cc

Index: content/browser/renderer_host/input/synthetic_pointer_action.cc
diff --git a/content/browser/renderer_host/input/synthetic_pointer_action.cc b/content/browser/renderer_host/input/synthetic_pointer_action.cc
index a701ce51f0281ea0165a6d4c803d16f93e797dc3..7a3d0ee801741d89045bbf4936b33f1518ccb9f2 100644
--- a/content/browser/renderer_host/input/synthetic_pointer_action.cc
+++ b/content/browser/renderer_host/input/synthetic_pointer_action.cc
@@ -11,14 +11,14 @@
 namespace content {
 
 SyntheticPointerAction::SyntheticPointerAction(
-    const SyntheticPointerActionParams& params)
+    const SyntheticPointerActionListParams& params)
     : params_(params) {}
 
 SyntheticPointerAction::SyntheticPointerAction(
-    std::unique_ptr<std::vector<SyntheticPointerActionParams>> param_list,
+    const SyntheticPointerActionListParams& params,
     SyntheticPointer* synthetic_pointer,
     IndexMap* index_map)
-    : param_list_(std::move(param_list)),
+    : params_(params),
       synthetic_pointer_(synthetic_pointer),
       index_map_(index_map) {}
 
@@ -28,6 +28,8 @@ SyntheticGesture::Result SyntheticPointerAction::ForwardInputEvents(
     const base::TimeTicks& timestamp,
     SyntheticGestureTarget* target) {
   DCHECK(synthetic_pointer_);
+  DCHECK_NE(synthetic_pointer_->SourceType(),
+            SyntheticGestureParams::DEFAULT_INPUT);
   return ForwardTouchOrMouseInputEvents(timestamp, target);
 }
 
@@ -35,7 +37,10 @@ SyntheticGesture::Result SyntheticPointerAction::ForwardTouchOrMouseInputEvents(
     const base::TimeTicks& timestamp,
     SyntheticGestureTarget* target) {
   int point_index;
-  for (const SyntheticPointerActionParams& params : *param_list_) {
+  for (SyntheticPointerActionParams& params : params_.param_list) {
+    if (params.gesture_source_type == SyntheticGestureParams::DEFAULT_INPUT)
+      params.gesture_source_type = synthetic_pointer_->SourceType();
+
     if (!UserInputCheck(params))
       return POINTER_ACTION_INPUT_INVALID;
 
@@ -55,12 +60,14 @@ SyntheticGesture::Result SyntheticPointerAction::ForwardTouchOrMouseInputEvents(
         synthetic_pointer_->Release(point_index, target, timestamp);
         SetPointIndex(params.index(), -1);
         break;
+      case SyntheticPointerActionParams::PointerActionType::FINISH:
+        return GESTURE_FINISHED;
       default:
         return POINTER_ACTION_INPUT_INVALID;
     }
   }
   synthetic_pointer_->DispatchEvent(target, timestamp);
-  return GESTURE_FINISHED;
+  return GESTURE_RUNNING;
 }
 
 bool SyntheticPointerAction::UserInputCheck(