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

test/inspector/debugger/async-stack-await.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.
 
 print('Checks that async stacks works for async/await');
 
 InspectorTest.addScript(`
 async function foo1() {
   debugger;
   return Promise.resolve();
@@ skipping 10 matching lines @@
 }
 
 async function test() {
   await foo2();
 }
 //# sourceURL=test.js`, 7, 26);
 
 InspectorTest.setupScriptMap();
 Protocol.Debugger.onPaused(message => {
   InspectorTest.logCallFrames(message.params.callFrames);
-  var asyncStackTrace = message.params.asyncStackTrace;
-  while (asyncStackTrace) {
-    InspectorTest.log(`-- ${asyncStackTrace.description} --`);
-    InspectorTest.logCallFrames(asyncStackTrace.callFrames);
-    asyncStackTrace = asyncStackTrace.parent;
-  }
+  InspectorTest.logAsyncStackTrace(message.params.asyncStackTrace);
   InspectorTest.log('');
   Protocol.Debugger.resume();
 });
 
 Protocol.Debugger.enable();
 Protocol.Debugger.setAsyncCallStackDepth({ maxDepth: 128 });
 Protocol.Runtime.evaluate({ expression: 'test()//# sourceURL=expr.js',
     awaitPromise: true })
   .then(InspectorTest.logMessage)
   .then(InspectorTest.completeTest);