Make more JS files beter match the coding standard.

test/mjsunit/indexed-accessors.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 26 matching lines @@
 assertEquals(o.x, o[0]);
 assertEquals(o.x, o.__lookupGetter__('0')());
 o[0] = 21;
 assertEquals(21, o.x);
 o.__lookupSetter__(0)(7);
 assertEquals(7, o.x);
 
 function Pair(x, y) {
   this.x = x;
   this.y = y;
-};
+}
 Pair.prototype.__defineGetter__('0', function() { return this.x; });
 Pair.prototype.__defineGetter__('1', function() { return this.y; });
 Pair.prototype.__defineSetter__('0', function(x) { this.x = x; });
 Pair.prototype.__defineSetter__('1', function(y) { this.y = y; });
 
 var p = new Pair(2, 3);
 assertEquals(2, p[0]);
 assertEquals(3, p[1]);
 p.x = 7;
 p[1] = 8;
@@ skipping 37 matching lines @@
 q1[0] = 3;
 assertEquals(q1[0], undefined);
 assertEquals(q1.b, 17);
 
 // Complex case of using an undefined getter.
 // From http://code.google.com/p/v8/issues/detail?id=298
 // Reported by nth10sd.
 
 a = function() {};
 __defineSetter__("0", function() {});
-if (a |= '') {};
+if (a |= '') {}
 assertThrows('this[a].__parent__');
 assertEquals(a, 0);
 assertEquals(this[a], undefined);