Support 'restart call frame' debug command

src/mirror-debugger.js

-// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Copyright 2006-2012 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
 //       with the distribution.
@@ skipping 1731 matching lines @@
       result += ' = ';
       result += this.localValue(i).toText();
       if (i < locals_count - 1) result += '\n';
     }
   }
 
   return result;
 };
 
 
+FrameMirror.prototype.restart = function() {
+  var result = %LiveEditRestartFrame(this.break_id_, this.index_);
+  if (IS_UNDEFINED(result)) {
+    result = "Failed to find requested frame";
+  }
+  return result;
+};
+
+
 FrameMirror.prototype.toText = function(opt_locals) {
   var result = '';
   result += '#' + (this.index() <= 9 ? '0' : '') + this.index();
   result += ' ';
   result += this.invocationText();
   result += ' ';
   result += this.sourceAndPositionText();
   if (opt_locals) {
     result += '\n';
     result += this.localsText();
@@ skipping 727 matching lines @@
   }
   if (!NUMBER_IS_FINITE(value)) {
     if (value > 0) {
       return 'Infinity';
     } else {
       return '-Infinity';
     }
   }
   return value;
 }