[inspector] Refactor protocol-test.js

test/inspector/debugger/async-stack-created-frame.js

 // Copyright 2017 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.
 
 // TODO(kozyatinskiy): fix this test.
-InspectorTest.log('Checks created frame for async call chain');
+let {session, contextGroup, Protocol} = InspectorTest.start('Checks created frame for async call chain');
 
-InspectorTest.addScript(
+contextGroup.addScript(
     `
 function foo1() {
   debugger;
 }
 
 function foo2() {
   debugger;
 }
 
 function promise() {
@@ skipping 51 matching lines @@
   var p = new Promise(r => resolve = r);
   setTimeout(() =>
     setTimeout(() =>
       setTimeout(() => { foo1(); resolve(); }, 0), 0), 0);
   return p;
 }
 
 //# sourceURL=test.js`,
     8, 4);
 
-InspectorTest.setupScriptMap();
+session.setupScriptMap();
 Protocol.Debugger.onPaused(message => {
-  InspectorTest.logCallFrames(message.params.callFrames);
-  InspectorTest.logAsyncStackTrace(message.params.asyncStackTrace);
+  session.logCallFrames(message.params.callFrames);
+  session.logAsyncStackTrace(message.params.asyncStackTrace);
   InspectorTest.log('');
   Protocol.Debugger.resume();
 });
 
 Protocol.Debugger.enable();
 Protocol.Debugger.setAsyncCallStackDepth({maxDepth: 128});
 
 InspectorTest.runTestSuite([
   function testPromise(next) {
     Protocol.Runtime
@@ skipping 76 matching lines @@
 
   function testSetTimeouts(next) {
     Protocol.Runtime
         .evaluate({
           expression: 'setTimeouts()//# sourceURL=expr.js',
           awaitPromise: true
         })
         .then(next);
   }
 ]);