Make more JS files beter match the coding standard.

test/mjsunit/elements-kind.js

 // Copyright 2011 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 @@
   dictionary               :  'dictionary elements',
   external_byte            :  'external byte elements',
   external_unsigned_byte   :  'external unsigned byte elements',
   external_short           :  'external short elements',
   external_unsigned_short  :  'external unsigned short elements',
   external_int             :  'external int elements',
   external_unsigned_int    :  'external unsigned int elements',
   external_float           :  'external float elements',
   external_double          :  'external double elements',
   external_pixel           :  'external pixel elements'
-}
+};
 
 function getKind(obj) {
   if (%HasFastSmiOnlyElements(obj)) return elements_kind.fast_smi_only;
   if (%HasFastElements(obj)) return elements_kind.fast;
   if (%HasFastDoubleElements(obj)) return elements_kind.fast_double;
   if (%HasDictionaryElements(obj)) return elements_kind.dictionary;
   // Every external kind is also an external array.
   assertTrue(%HasExternalArrayElements(obj));
   if (%HasExternalByteElements(obj)) {
     return elements_kind.external_byte;
@@ skipping 261 matching lines @@
   var a = ["foo", "bar"];
   assertKind(elements_kind.fast, a);
   var b = a.splice(0, 1);
   assertKind(elements_kind.fast, b);
   var c = a.slice(0, 1);
   assertKind(elements_kind.fast, c);
 }
 
 // Throw away type information in the ICs for next stress run.
 gc();