This extra Error info can be useful for passing back additional info.
In the short-term this means we can implement a UMA histogram at some
point with a code that represents a more specific reason why the
init failed.

BUG=436191

Change-Id: If5e099a9ce32e87843754cd4f40d726dd5bad4b8
Reviewed-on: https://chromium-review.googlesource.com/246564Tested-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>