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

test/mjsunit/debug-setbreakpoint.js

 // Copyright 2008 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 51 matching lines @@
     }
   } else {
     assertFalse(response.success, request + ' -> ' + json_response);
   }
 }
 
 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 setbreakpoint requests.
     var request = '{' + base_request + '}'
     var response = safeEval(dcp.processDebugJSONRequest(request));
     assertFalse(response.success);
     
     var mirror;
 
     testArguments(dcp, '{}', false);
     testArguments(dcp, '{"type":"xx"}', false);
@@ skipping 73 matching lines @@
 assertTrue(g_line > 0, "invalid line for g");
 assertTrue(f_line < g_line);
 assertEquals(h_line, 0, "invalid line for h");
 
 // Set a break point and call to invoke the debug event listener.
 Debug.setBreakPoint(g, 0, 0);
 g();
 
 // Make sure that the debug event listener vas invoked.
 assertTrue(listenerComplete, "listener did not run to completion: " + exception);