Make more JS files beter match the coding standard.

test/mjsunit/regress/regress-3218915.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 25 matching lines @@
     return 'big';
   }
   return (y = x + 1, y > 1) ? 'medium' : 'small';
 }
 
 for (var i = 0; i < 5; i++) {
   withCommaExpressionInConditional(i);
 }
 %OptimizeFunctionOnNextCall(withCommaExpressionInConditional);
 withCommaExpressionInConditional(i);
-withCommaExpressionInConditional("1")
+withCommaExpressionInConditional("1");