Removed tabs from d8.js.

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 161 matching lines @@
 
   return 'Unknown debug event ' + event.eventType();
 };
 
 
 function SourceUnderline(source_text, position) {
   if (!source_text) {
     return;
   }
 
-  // Create an underline with a caret pointing to the source position. If the           
-  // source contains a tab character the underline will have a tab character in         
-  // the same place otherwise the underline will have a space character.                
+  // Create an underline with a caret pointing to the source position. If the
+  // source contains a tab character the underline will have a tab character in
+  // the same place otherwise the underline will have a space character.
   var underline = '';
   for (var i = 0; i < position; i++) {
     if (source_text[i] == '\t') {
       underline += '\t';
     } else {
       underline += ' ';
     }
   }
   underline += '^';
 
   // Return the source line text with the underline beneath.
   return source_text + '\n' + underline;
 };
 
 
-function FrameSourceUnderline(frame) {          
+function FrameSourceUnderline(frame) {
   var location = frame.sourceLocation();
   if (location) {
     return SourceUnderline(location.sourceText(),
                            location.position - location.start);
   }
 };
 
 
 // Converts a text command to a JSON request.
 function DebugCommandToJSONRequest(cmd_line) {
@@ skipping 703 matching lines @@
       json += NumberToJSON_(elem);
     } else if (typeof(elem) === 'string')  {
       json += StringToJSON_(elem);
     } else {
       json += elem;
     }
   }
   json += ']';
   return json;
 }