[inspector] Refactor inspector test

test/inspector/debugger/framework-break.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.
 // Flags: --allow-natives-syntax
 
 InspectorTest.log('Checks that breaks in framework code correctly processed.');
 
 InspectorTest.addScript(`
 function frameworkAssert() {
   console.assert(false);
@@ skipping 170 matching lines @@
   },
 
   function testSyncDOMBreakpointWithInlinedUserFrame(next) {
     InspectorTest.log('> mixed, top frame in framework:');
     Protocol.Runtime
         .evaluate({expression: 'syncDOMBreakpointWithInlinedUserFrame()//# sourceURL=framework.js'})
         .then(next);
   },
 
   function testAsyncDOMBreakpoint(next) {
-    utils.schedulePauseOnNextStatement('', '');
+    InspectorTest.contextGroup.schedulePauseOnNextStatement('', '');
     InspectorTest.log('> all frames in framework:');
     Protocol.Runtime
         .evaluate(
             {expression: 'asyncDOMBreakpoint()//# sourceURL=framework.js'})
-        .then(() => utils.cancelPauseOnNextStatement())
+        .then(() => InspectorTest.contextGroup.cancelPauseOnNextStatement())
         .then(
             () => Protocol.Runtime.evaluate(
                 {expression: '42//# sourceURL=user.js'}))
-        .then(() => utils.schedulePauseOnNextStatement('', ''))
+        .then(() => InspectorTest.contextGroup.schedulePauseOnNextStatement('', ''))
         .then(
             () => Protocol.Runtime.evaluate(
                 {expression: 'asyncDOMBreakpoint()//# sourceURL=user.js'}))
         .then(next);
   },
 
   function testCaughtSyntaxError(next) {
     Protocol.Debugger.setPauseOnExceptions({state: 'all'})
         .then(() => InspectorTest.log('> all frames in framework:'))
         .then(() => Protocol.Runtime.evaluate({
@@ skipping 14 matching lines @@
             () => Protocol.Runtime.evaluate(
                 {expression: 'throwFromJSONParse()//# sourceURL=framework.js'}))
         .then(() => InspectorTest.log('> mixed, top frame in framework:'))
         .then(
             () => Protocol.Runtime.evaluate(
                 {expression: 'throwFromJSONParse()//# sourceURL=user.js'}))
         .then(() => Protocol.Debugger.setPauseOnExceptions({state: 'none'}))
         .then(next);
   }
 ]);