ghchinoy: update for gophercon 2018
ghchinoy: update for gophercon 2018

Change-Id: I16002f885c2f851cb856baa24906973626eabbd5
Reviewed-on: https://go-review.googlesource.com/132260
Run-TryBot: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>
TryBot-Result: Gobot Gobot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>
Reviewed-by: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>

golang/scratch