[debug-wrapper] AsyncTaskEvent event type

test/debugger/test-api.js

 // 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.
 
 "use strict";
 
 // If true, prints all messages sent and received by inspector.
 const printProtocolMessages = false;
 
 // The active wrapper instance.
 let activeWrapper = undefined;
 
 // Receiver function called by inspector, delegating to active wrapper.
 function receive(message) {
   activeWrapper.receiveMessage(message);
 }
 
 class DebugWrapper {
   constructor() {
     // Message dictionary storing {id, message} pairs.
     this.receivedMessages = new Map();
 
     // Each message dispatched by the Debug wrapper is assigned a unique number
     // using nextMessageId.
     this.nextMessageId = 0;
 
     // The listener method called on certain events.
     this.listener = undefined;
 
-    // TODO(jgruber): Determine which of these are still required and possible.
     // Debug events which can occur in the V8 JavaScript engine.
     this.DebugEvent = { Break: 1,
                         Exception: 2,
                         AfterCompile: 3,
                         CompileError: 4,
-                        AsyncTaskEvent: 5
                       };
 
     // The different types of steps.
     this.StepAction = { StepOut: 0,
                         StepNext: 1,
                         StepIn: 2,
                         StepFrame: 3,
                       };
 
     // The different types of scripts matching enum ScriptType in objects.h.
@@ skipping 785 matching lines @@
     debug.instance = new DebugWrapper();
     debug.instance.enable();
   }
   return debug.instance;
 }});
 
 Object.defineProperty(debug, 'ScopeType', { get: function() {
   const instance = debug.Debug;
   return instance.ScopeType;
 }});