Redo "running" field in debug-delay.js and support "suspend" command

test/mjsunit/debug-references.js

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 48 matching lines @@
     assertTrue(response.success, request + ' -> ' + response.message);
     assertTrue(response.body instanceof Array);
     if (count) {
       assertEquals(count, response.body.length);
     } else {
       assertTrue(response.body.length > 0);
     }
   } else {
     assertFalse(response.success, request + ' -> ' + response.message);
   }
-  assertFalse(response.running, request + ' -> expected not running');
+  assertEquals(response.running, dcp.isRunning(), request + ' -> expected not running');
 }
 
 function listener(event, exec_state, event_data, data) {
   try {
   if (event == Debug.DebugEvent.Break) {
     // Get the debug command processor.
-    var dcp = exec_state.debugCommandProcessor();
+    var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
 
     // Test some illegal references requests.
     testRequest(dcp, void 0, false);
     testRequest(dcp, '{"handle":"a"}', false);
     testRequest(dcp, '{"handle":1}', false);
     testRequest(dcp, '{"type":"referencedBy"}', false);
     testRequest(dcp, '{"type":"constructedBy"}', false);
 
     // Evaluate Point.
     var evaluate_point = '{"seq":0,"type":"request","command":"evaluate",' +
@@ skipping 22 matching lines @@
 function Point(x, y) { this.x_ = x; this.y_ = y;}
 p = new Point(0,0);
 q = new Point(1,2);
 
 // Enter debugger causing the event listener to be called.
 debugger;
 
 // Make sure that the debug event listener was invoked.
 assertFalse(exception, "exception in listener")
 assertTrue(listenerComplete, "listener did not run to completion");