Verified by end2end tests and manually checking that chrome can load and
save program binaries.

BUG=angleproject:882

Change-Id: Ic7e4b443365af6ea2d9ce5b0ecfb685eac85f479
Reviewed-on: https://chromium-review.googlesource.com/303828Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>