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adamk@chromium.org authored
object-observe.js uses weak maps to add "hidden" properties to objects. Previously, the hash tables it was using weren't actually weak. This patch changes the existing runtime functions to create instances of JSWeakMap instead of exposing ObjectHashTable directly. Review URL: https://codereview.chromium.org/12092079 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13591 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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