issue 47 - use WeakMap instead of setUserData and getUserData methods https://hg.adblockplus.org/adblockplus/rev/05d8110fe5ea Author: Manvel Saroyan
issue 47 - use WeakMap instead of setUserData and getUserData methods https://hg.adblockplus.org/adblockplus/rev/05d8110fe5ea Author: Manvel Saroyan

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