The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/d36d15de08349be43d1b55793259e84232366531

commit d36d15de08349be43d1b55793259e84232366531
Author: Jonathan Metzman <metzman@chromium.org>
Date: Wed Sep 13 23:11:32 2017

Roll src/third_party/libprotobuf-mutator/src/ b3323e24e..52af4b0f6 (1 commit)

https://chromium.googlesource.com/external/github.com/google/libprotobuf-mutator.git/+log/b3323e24eca8..52af4b0f6f55

$ git log b3323e24e..52af4b0f6 --date=short --no-merges --format='%ad %ae %s'
2017-09-13 metzman Fix compile error in Chromium by changing error message in assertion

Created with:
  roll-dep src/third_party/libprotobuf-mutator/src

Bug:  764740 

Change-Id: Idccb258a78bc5b75cebd83646f7039281e201227
Reviewed-on: https://chromium-review.googlesource.com/665878
Reviewed-by: Vitaly Buka <vitalybuka@chromium.org>
Reviewed-by: Max Moroz <mmoroz@chromium.org>
Commit-Queue: Vitaly Buka <vitalybuka@chromium.org>
Cr-Commit-Position: refs/heads/master@{#501786}
[modify] https://crrev.com/d36d15de08349be43d1b55793259e84232366531/DEPS