Make more JS files beter match the coding standard.

test/mjsunit/regress/regress-667061.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 38 matching lines @@
   caught = true;
 }
 assertTrue(caught);
 
 
 // Test monomorphic case.
 function g(o) {
   return o.x();
 }
 
-function O(x) { this.x = x; };
+function O(x) { this.x = x; }
 var o = new O(function() { return 1; });
 assertEquals(1, g(o));  // go monomorphic
 assertEquals(1, g(o));  // stay monomorphic
 
 var caught = false;
 try {
   g(new O(3));
 } catch (o) {
   assertTrue(o instanceof TypeError);
   caught = true;
@@ skipping 11 matching lines @@
 assertEquals(3, f({ x: function () { return 3; }}));  // stay megamorphic
 
 var caught = false;
 try {
   f({ x: 4 });
 } catch (o) {
   assertTrue(o instanceof TypeError);
   caught = true;
 }
 assertTrue(caught);