This compiles the resource refactor for D3D11. The only remaining
non-smart handles are for things like SwapChains and ID3D11Blob.

This might be more easily managed by using angle::ComPtr or
similar smart pointers instead of the Resource Manager class.

BUG=angleproject:2034

Change-Id: I53c753a1c19b05c4e72859dd5046e3ed10866847
Reviewed-on: https://chromium-review.googlesource.com/506777Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>