This reverts commit 3e3813f7.

Conflicts:
	src/libGLESv2/renderer/d3d/d3d11/Buffer11.cpp

Change-Id: I6470059672d3b377ce0fafbc8b637318a91f62c8
Reviewed-on: https://chromium-review.googlesource.com/217106Tested-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>