[inspector] Refactor protocol-test.js

test/inspector/cpu-profiler/console-profile-end-parameterless-crash.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.
 
-InspectorTest.log("Tests that \"console.profileEnd()\" does not cause crash. (webkit:105759)");
+let {session, contextGroup, Protocol} = InspectorTest.start("Tests that \"console.profileEnd()\" does not cause crash. (webkit:105759)");
 
-InspectorTest.addScript(`
+contextGroup.addScript(`
 function collectProfiles()
 {
   console.profile();
   console.profile("titled");
   console.profileEnd();
   console.profileEnd();
 }`);
 
 InspectorTest.fail = function(message)
 {
@@ skipping 19 matching lines @@
   InspectorTest.log("SUCCESS: found 2 profile headers");
   for (var i = 0; i < headers.length; i++) {
     if (headers[i].title === "titled") {
       InspectorTest.log("SUCCESS: titled profile found");
       InspectorTest.completeTest();
       return;
     }
   }
   InspectorTest.fail("Cannot find titled profile");
 }