arguments in the presence of eval to avoid code duplication. Almost
the same code was duplicated for loading properties and calling
properties.

Review URL: http://codereview.chromium.org/2053003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4645 ce2b1a6d-e550-0410-aec6-3dcde31c8c00