Fix leaking host DOM nodes via named form elements. https://codereview.appspot.com/235830043/
Fix leaking host DOM nodes via named form elements.
https://codereview.appspot.com/235830043/

Fix for part of <https://github.com/google/caja/issues/1371>.

This is a cheap fix for the known issue with <form> elements that
should be replaced with a more robust, general solution.

Each Domado accessor that simply returned a value from the feral node
now coerces it to the expected type first.

R=erights@gmail.com

cepm-nate/caja,cepm-nate/caja,googlearchive/caja,cepm-nate/caja,googlearchive/caja,googlearchive/caja,googlearchive/caja,cepm-nate/caja,cepm-nate/caja,googlearchive/caja,googlearchive/caja,cepm-nate/caja