MSVC's more permissing validator missed a dependent typename, and
deleting a void pointer.

BUG=angle:703,704

Change-Id: I227b94c9c1590973d7b11b0ed0bfda32f2a71cec
Reviewed-on: https://chromium-review.googlesource.com/209613Tested-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>