[inspector] introduced stepIntoAsync for chained callbacks

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 5859c1d5abbe4fceee179977d8becdd95b80219e..a1b09acb1d396c27eb9282093655dfadd80f6350 100644
--- a/src/inspector/v8-debugger.h
+++ b/src/inspector/v8-debugger.h
@@ -46,6 +46,7 @@ class V8Debugger : public v8::debug::DebugDelegate {
   void breakProgram();
   void continueProgram();
   void stepIntoStatement();
+  Response stepIntoAsync();
   void stepOverStatement();
   void stepOutOfFunction();
 
@@ -133,12 +134,14 @@ class V8Debugger : public v8::debug::DebugDelegate {
   v8::MaybeLocal<v8::Value> generatorScopes(v8::Local<v8::Context>,
                                             v8::Local<v8::Value>);
 
-  void asyncTaskCreated(void* task, void* parentTask);
   void registerAsyncTaskIfNeeded(void* task);
 
+  int currentContextGroupId();
+
   // v8::debug::DebugEventListener implementation.
-  void PromiseEventOccurred(v8::debug::PromiseDebugActionType type, int id,
-                            int parentId) override;
+  void PromiseEventOccurred(v8::debug::PromiseDebugActionType type,
+                            int id) override;
+  void PromiseCreatedEvent(int id, int parentId, bool isBreakable) override;
   void ScriptCompiled(v8::Local<v8::debug::Script> script,
                       bool has_compile_error) override;
   void BreakProgramRequested(v8::Local<v8::Context> paused_context,
@@ -179,6 +182,9 @@ class V8Debugger : public v8::debug::DebugDelegate {
   protocol::HashMap<V8DebuggerAgentImpl*, int> m_maxAsyncCallStackDepthMap;
   protocol::HashMap<void*, void*> m_parentTask;
 
+  void* m_currentCreatedAsyncTask = nullptr;
+  protocol::HashSet<void*> m_asyncTasksWithScheduledBreak;
+
   v8::debug::ExceptionBreakState m_pauseOnExceptionsState;
 
   WasmTranslation m_wasmTranslation;