Added check for trailing whitespaces and corrected existing violations.

src/d8.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 1768 matching lines @@
   } else {
     repeat_cmd_line = '';
   }
   if (length === 0) result += '  none\n';
 
   return result;
 }
 
 
 function decodeLolListResponse(body, title) {
-  
+
   var result;
   var total_count = body.count;
   var total_size = body.size;
   var length;
   var max_digits;
   var i;
   var entry;
   var index;
 
   var max_count_digits = digitsIn(total_count);
@@ skipping 998 matching lines @@
       json += NumberToJSON_(elem);
     } else if (typeof(elem) === 'string')  {
       json += StringToJSON_(elem);
     } else {
       json += elem;
     }
   }
   json += ']';
   return json;
 }