servo/servo — pull request #3539 by jamesberlage (2014-10-01 02:00:07+00:00)
Title: Use std::intrinsics::TypeId

This is intended to address #3488. [AnyPrivate](http://doc.rust-lang.org/core/any/trait.AnyPrivate.html) is now in the Rust core, so we can leverage that instead of writing an implementation.