These methods aren't designed to return "undefined" or "null".
What they return is not checked. It's assumed to always be an
object (2 of them) or an array (1 of them). This simple patch
does make sure the following code does not fail with TypeErrors.
Bug: 55701
Change-Id: I19f51bbff2209044485b9d7cef4c7654cb5f6425
