[inspector] use creation stack trace as parent for async call chains

src/inspector/v8-stack-trace-impl.cc

Index: src/inspector/v8-stack-trace-impl.cc
diff --git a/src/inspector/v8-stack-trace-impl.cc b/src/inspector/v8-stack-trace-impl.cc
index cb509bd8e9d67614aa3a8429f2b1500eff407ed5..a2a4ce1b6eb8dfae18cacff6a556b0a66754c9d3 100644
--- a/src/inspector/v8-stack-trace-impl.cc
+++ b/src/inspector/v8-stack-trace-impl.cc
@@ -298,14 +298,9 @@ AsyncStackTrace::AsyncStackTrace(
 std::unique_ptr<protocol::Runtime::StackTrace>
 AsyncStackTrace::buildInspectorObject(AsyncStackTrace* asyncCreation,
                                       int maxAsyncDepth) const {
-  std::unique_ptr<protocol::Runtime::StackTrace> stackTrace =
-      buildInspectorObjectCommon(m_frames, m_description, m_asyncParent.lock(),
-                                 m_asyncCreation.lock(), maxAsyncDepth);
-  if (asyncCreation && !asyncCreation->isEmpty()) {
-    stackTrace->setPromiseCreationFrame(
-        asyncCreation->m_frames[0]->buildInspectorObject());
-  }
-  return stackTrace;
+  return buildInspectorObjectCommon(m_frames, m_description,
+                                    m_asyncParent.lock(),
+                                    m_asyncCreation.lock(), maxAsyncDepth);
 }
 
 int AsyncStackTrace::contextGroupId() const { return m_contextGroupId; }