Debugger: remove unused JS Debugger API.

test/mjsunit/es6/generators-debug-liveedit.js

 // Copyright 2014 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: --expose-debug-as debug
+// Flags: --expose-debug-as debug --allow-natives-syntax
 
 var Debug = debug.Debug;
 var LiveEdit = Debug.LiveEdit;
 
 unique_id = 0;
 
 var Generator = (function*(){}).constructor;
 
 function assertIteratorResult(value, done, result) {
   assertEquals({value: value, done: done}, result);
@@ skipping 31 matching lines @@
     var log = new Array();
     var script = Debug.findScript(fun);
     var pos = script.source.indexOf(from);
     try {
       LiveEdit.TestApi.ApplySingleChunkPatch(script, pos, from.length, to,
                                              log);
     } finally {
       print("Change log: " + JSON.stringify(log) + "\n");
     }
   }
-  Debug.ExecuteInDebugContext(debug, false);
+  %ExecuteInDebugContext(debug);
 }
 
 // Try to edit a MakeGenerator while it's running, then again while it's
 // stopped.
 (function(){
   var generator = MakeGenerator();
 
   var gen_patch_attempted = false;
   function attempt_gen_patch() {
     assertFalse(gen_patch_attempted);
@@ skipping 42 matching lines @@
     // Patching inside a generator activation may succeed.
     patch(fun_inside, "'Cat'", "'Koala'");
   }
   iter = generator(function() { return fun_inside(attempt_fun_patches) });
   assertEquals('Cat',
                fun_outside(function () {
                  assertIteratorResult('Koala', false, iter.next());
                  assertTrue(fun_patch_restarted);
                }));
 })();