[inspector] added creation frame for async call chains for promises

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

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_INSPECTOR_V8STACKTRACEIMPL_H_
 #define V8_INSPECTOR_V8STACKTRACEIMPL_H_
 
 #include <vector>
 
 #include "src/base/macros.h"
@@ skipping 38 matching lines @@
     String16 m_scriptId;
     String16 m_scriptName;
     int m_lineNumber;
     int m_columnNumber;
   };
 
   static void setCaptureStackTraceForUncaughtExceptions(v8::Isolate*,
                                                         bool capture);
   static std::unique_ptr<V8StackTraceImpl> create(
       V8Debugger*, int contextGroupId, v8::Local<v8::StackTrace>,
-      size_t maxStackSize, const String16& description = String16());
+      size_t maxStackSize, const String16& description = String16(),
+      std::unique_ptr<V8StackTraceImpl> creationStackTrace = nullptr);
   static std::unique_ptr<V8StackTraceImpl> capture(
       V8Debugger*, int contextGroupId, size_t maxStackSize,
-      const String16& description = String16());
+      const String16& description = String16(),
+      std::unique_ptr<V8StackTraceImpl> creationStackTrace = nullptr);
 
   // This method drops the async chain. Use cloneImpl() instead.
   std::unique_ptr<V8StackTrace> clone() override;
   std::unique_ptr<V8StackTraceImpl> cloneImpl();
   std::unique_ptr<protocol::Runtime::StackTrace> buildInspectorObjectForTail(
       V8Debugger*) const;
   std::unique_ptr<protocol::Runtime::StackTrace> buildInspectorObjectImpl()
       const;
   ~V8StackTraceImpl() override;
 
   // V8StackTrace implementation.
   bool isEmpty() const override { return !m_frames.size(); };
   StringView topSourceURL() const override;
   int topLineNumber() const override;
   int topColumnNumber() const override;
   StringView topScriptId() const override;
   StringView topFunctionName() const override;
   std::unique_ptr<protocol::Runtime::API::StackTrace> buildInspectorObject()
       const override;
   std::unique_ptr<StringBuffer> toString() const override;
 
  private:
   V8StackTraceImpl(int contextGroupId, const String16& description,
                    std::vector<Frame>& frames,
-                   std::unique_ptr<V8StackTraceImpl> parent);
+                   std::unique_ptr<V8StackTraceImpl> parent,
+                   std::unique_ptr<V8StackTraceImpl> creation);
 
   int m_contextGroupId;
   String16 m_description;
   std::vector<Frame> m_frames;
   std::unique_ptr<V8StackTraceImpl> m_parent;
+  std::unique_ptr<V8StackTraceImpl> m_creation;
 
   DISALLOW_COPY_AND_ASSIGN(V8StackTraceImpl);
 };
 
 }  // namespace v8_inspector
 
 #endif  // V8_INSPECTOR_V8STACKTRACEIMPL_H_