[inspector] support setTimeout in Debugger.scheduleStepIntoAsync method

src/inspector/v8-debugger-agent-impl.cc

Index: src/inspector/v8-debugger-agent-impl.cc
diff --git a/src/inspector/v8-debugger-agent-impl.cc b/src/inspector/v8-debugger-agent-impl.cc
index 75a7a3fe8e8b372497945cfd106439812960618e..5279b051396af1434028e8ad2493443d768d006b 100644
--- a/src/inspector/v8-debugger-agent-impl.cc
+++ b/src/inspector/v8-debugger-agent-impl.cc
@@ -746,18 +746,8 @@ void V8DebuggerAgentImpl::scheduleStepIntoAsync(
     callback->sendFailure(Response::Error(kDebuggerNotPaused));
     return;
   }
-  if (m_stepIntoAsyncCallback) {
-    m_stepIntoAsyncCallback->sendFailure(Response::Error(
-        "Current scheduled step into async was overriden with new one."));
-  }
-  m_stepIntoAsyncCallback = std::move(callback);
-}
-
-bool V8DebuggerAgentImpl::shouldBreakInScheduledAsyncTask() {
-  if (!m_stepIntoAsyncCallback) return false;
-  m_stepIntoAsyncCallback->sendSuccess();
-  m_stepIntoAsyncCallback.reset();
-  return true;
+  m_debugger->scheduleStepIntoAsync(std::move(callback),
+                                    m_session->contextGroupId());
 }
 
 Response V8DebuggerAgentImpl::setPauseOnExceptions(
@@ -1230,12 +1220,6 @@ void V8DebuggerAgentImpl::didPause(int contextId,
     breakAuxData->setArray("reasons", std::move(reasons));
   }
 
-  if (m_stepIntoAsyncCallback) {
-    m_stepIntoAsyncCallback->sendFailure(
-        Response::Error("No async tasks were scheduled before pause."));
-    m_stepIntoAsyncCallback.reset();
-  }
-
   std::unique_ptr<Array<CallFrame>> protocolCallFrames;
   Response response = currentCallFrames(&protocolCallFrames);
   if (!response.isSuccess()) protocolCallFrames = Array<CallFrame>::create();