Added a lookup request to the debugger protocol to retreive an object from it...

src/mirror-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 77 matching lines @@
   } else {
     mirror = new ObjectMirror(value);
   }
 
   mirror_cache_[mirror.handle()] = mirror;
   return mirror;
 }
 
 
 /**
+ * Returns the mirror for a specified mirror handle.
+ *
+ * @param {number} handle the handle to find the mirror for
+ * @returns {Mirror or undefiend} the mirror with the requested handle or
+ *     undefined if no mirror with the requested handle was found
+ */
+function LookupMirror(handle) {
+  return mirror_cache_[handle];
+}
+
+  
+/**
  * Returns the mirror for the undefined value.
  *
  * @returns {Mirror} the mirror reflects the undefined value
  */
 function GetUndefinedMirror() {
   return MakeMirror(void 0);
 }
 
 
 /**
@@ skipping 1932 matching lines @@
 /**
  * Convert a Date to ISO 8601 format. To avoid depending on the Date object
  * this method calls the functions in date.js directly and not through the
  * value.
  * @param {Date} value The Date value to format as JSON
  * @return {string} JSON formatted Date value
  */
 function DateToJSON_(value) {
   return '"' + DateToISO8601_(value) + '"';
 }