Added check for trailing whitespaces and corrected existing violations.

test/mjsunit/debug-references.js

 // Copyright 2009 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 34 matching lines @@
 }
 
 function testRequest(dcp, arguments, success, count) {
   // Generate request with the supplied arguments.
   var request;
   if (arguments) {
     request = '{' + base_request + ',"arguments":' + arguments + '}';
   } else {
     request = '{' + base_request + '}'
   }
-  
+
   // Process the request and check expectation.
   var response = safeEval(dcp.processDebugJSONRequest(request));
   if (success) {
     assertTrue(response.success, request + ' -> ' + response.message);
     assertTrue(response.body instanceof Array);
     if (count) {
       assertEquals(count, response.body.length);
     } else {
       assertTrue(response.body.length > 0);
     }
@@ skipping 15 matching lines @@
     testRequest(dcp, '{"handle":1}', false);
     testRequest(dcp, '{"type":"referencedBy"}', false);
     testRequest(dcp, '{"type":"constructedBy"}', false);
 
     // Evaluate Point.
     var evaluate_point = '{"seq":0,"type":"request","command":"evaluate",' +
                          '"arguments":{"expression":"Point"}}';
     var response = safeEval(dcp.processDebugJSONRequest(evaluate_point));
     assertTrue(response.success, "Evaluation of Point failed");
     var handle = response.body.handle;
-    
+
     // Test some legal references requests.
     testRequest(dcp, '{"handle":' + handle + ',"type":"referencedBy"}', true);
     testRequest(dcp, '{"handle":' + handle + ',"type":"constructedBy"}',
                 true, 2);
 
     // Indicate that all was processed.
     listenerComplete = true;
   }
   } catch (e) {
     exception = e
   };
 };
 
 // Add the debug event listener.
 Debug.setListener(listener);
 
 // Test constructor and objects.
 function Point(x, y) { this.x_ = x; this.y_ = y;}
 p = new Point(0,0);
 q = new Point(1,2);
 
 // Enter debugger causing the event listener to be called.
 debugger;
 
 // Make sure that the debug event listener was invoked.
 assertFalse(exception, "exception in listener")
 assertTrue(listenerComplete, "listener did not run to completion");