Make more JS files beter match the coding standard.

test/mjsunit/tools/splaytree.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 57 matching lines @@
                                        left: null, right: null },
                                right: null } },
               right: { key: 40, value: 40, left: null, right: null } },
       right: { key: 60, value: 60, left: null,
                right: { key: 90, value: 90,
                         left: { key: 70, value: 70, left: null,
                                 right: { key: 80, value: 80,
                                          left: null, right: null } },
                         right: { key: 100, value: 100,
                                  left: null, right: null } } } };
-};
+}
 
 
 (function testSplay() {
   var tree = new SplayTree();
   tree.root_ = createSampleTree();
   assertArrayEquals([50, 30, 60, 10, 40, 90, 20, 70, 100, 15, 80],
                     tree.exportValues());
   tree.splay_(50);
   assertArrayEquals([50, 30, 60, 10, 40, 90, 20, 70, 100, 15, 80],
                     tree.exportValues());
@@ skipping 68 matching lines @@
   tree.insert(3, 'left');
   tree.insert(7, 'right');
   assertThrows('tree.remove(1)');
   assertThrows('tree.remove(6)');
   assertThrows('tree.remove(10)');
   assertEquals('root', tree.remove(5).value);
   assertEquals('left', tree.remove(3).value);
   assertEquals('right', tree.remove(7).value);
   assertArrayEquals([], tree.exportValues());
 })();