Remove unused code.

src/debug-delay.js

 // Copyright 2006-2008 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 940 matching lines @@
 DebugCommandProcessor.prototype.processDebugRequest = function (request) {
   return this.processDebugJSONRequest(request);
 }
 
 
 DebugCommandProcessor.prototype.responseIsRunning = function (response) {
   return this.isRunning(response);
 }
 
 
-function RequestPacket(command) {
-  this.seq = 0;
-  this.type = 'request';
-  this.command = command;
-}
-
-
-RequestPacket.prototype.toJSONProtocol = function() {
-  // Encode the protocol header.
-  var json = '{';
-  json += '"seq":' + this.seq;
-  json += ',"type":"' + this.type + '"';
-  if (this.command) {
-    json += ',"command":' + StringToJSON_(this.command);
-  }
-  if (this.arguments) {
-    json += ',"arguments":';
-    // Encode the arguments part.
-    if (this.arguments.toJSONProtocol) {
-      json += this.arguments.toJSONProtocol()
-    } else {
-      json += SimpleObjectToJSON_(this.arguments);
-    }
-  }
-  json += '}';
-  return json;
-}
-
-
-DebugCommandProcessor.prototype.createRequest = function(command) {
-  return new RequestPacket(command);
-};
-
-
 function ResponsePacket(request) {
   // Build the initial response from the request.
   this.seq = next_response_seq++;
   this.type = 'response';
   if (request) this.request_seq = request.seq;
   if (request) this.command = request.command;
   this.success = true;
   this.running = false;
 }
 
@@ skipping 670 matching lines @@
       json += NumberToJSON_(elem);
     } else if (IS_STRING(elem)) {
       json += StringToJSON_(elem);
     } else {
       json += elem;
     }
   }
   json += ']';
   return json;
 }