Reviewers: Mads Ager, Kasper Lund,

Description:
Convert object to fast mode after creation.  That enables more
optimizations.


Please review this at http://codereview.chromium.org/155405

SVN Base: http://v8.googlecode.com/svn/branches/bleeding_edge/

Affected files:
   M     src/apinatives.js


Index: src/apinatives.js
===================================================================
--- src/apinatives.js   (revision 2423)
+++ src/apinatives.js   (working copy)
@@ -51,6 +51,7 @@
        var Constructor = %GetTemplateField(data, kApiConstructorOffset);
        var result = Constructor ? new (Instantiate(Constructor))() : {};
        ConfigureTemplateInstance(result, data);
+      result = %ToFastProperties(result);
        return result;
      default:
        throw 'Unknown API tag <' + tag + '>';



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