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

src/inspector/v8-debugger.h

Index: src/inspector/v8-debugger.h
diff --git a/src/inspector/v8-debugger.h b/src/inspector/v8-debugger.h
index eb5d529a49c310e0d5a045b87312cdc9e46cd46e..bc2f6c398e220e8c9368122c679ace7c5f79ab14 100644
--- a/src/inspector/v8-debugger.h
+++ b/src/inspector/v8-debugger.h
@@ -77,6 +77,7 @@ class V8Debugger : public v8::debug::DebugDelegate {
   v8::MaybeLocal<v8::Array> internalProperties(v8::Local<v8::Context>,
                                                v8::Local<v8::Value>);
 
+  void asyncTaskCreated(void* task);
   void asyncTaskScheduled(const StringView& taskName, void* task,
                           bool recurring);
   void asyncTaskScheduled(const String16& taskName, void* task, bool recurring);
@@ -148,6 +149,8 @@ class V8Debugger : public v8::debug::DebugDelegate {
                     const v8::debug::Location& start,
                     const v8::debug::Location& end) override;
 
+  void registerAsyncTaskIfNeeded(void* task);
+
   v8::Isolate* m_isolate;
   V8InspectorImpl* m_inspector;
   int m_enableCount;
@@ -163,6 +166,7 @@ class V8Debugger : public v8::debug::DebugDelegate {
   using AsyncTaskToStackTrace =
       protocol::HashMap<void*, std::unique_ptr<V8StackTraceImpl>>;
   AsyncTaskToStackTrace m_asyncTaskStacks;
+  AsyncTaskToStackTrace m_asyncTaskCreatedStacks;

[dgozman, 2017/01/24 01:02:41]

m_asyncTaskCreationStacks

[kozy, 2017/01/24 21:43:39]

Done.

   int m_maxAsyncCallStacks;
   std::map<int, void*> m_idToTask;
   std::unordered_map<void*, int> m_taskToId;