Added check for trailing whitespaces and corrected existing violations.

test/mjsunit/debug-listbreakpoints.js

 // Copyright 2010 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 21 matching lines @@
 // Note: the following tests only checks the debugger handling of the
 // setexceptionbreak command.  It does not test whether the debugger
 // actually breaks on exceptions or not.  That functionality is tested
 // in test-debug.cc instead.
 
 // Note: The following function g() is purposedly placed here so that
 // its line numbers will not change should we add more lines of test code
 // below.  The test checks for these line numbers.
 
 function g() { // line 40
-  var x = 5; 
+  var x = 5;
   var y = 6;
   var z = 7;
 };
 
 var first_lineno = 40; // Must be the line number of g() above.
                        // The first line of the file is line 0.
 
 // Simple function which stores the last debug event.
 listenerComplete = false;
 exception = false;
@@ skipping 148 matching lines @@
 // Add the debug event listener.
 Debug.setListener(listener);
 
 // Set a break point and call to invoke the debug event listener.
 breakpoint1 = Debug.setBreakPoint(g, 0, 0);
 g();
 
 // Make sure that the debug event listener vas invoked.
 assertFalse(exception, "exception in listener")
 assertTrue(listenerComplete, "listener did not run to completion");