Fix a bug in setting maxtries
Fix a bug in setting maxtries

Noticed by Jens Widell in https://codereview.chromium.org/932333003/

TBR=maruel

BUG=459855

Review URL: https://codereview.chromium.org/933373004

git-svn-id: bd64dd6fa6f3f0ed0c0666d1018379882b742947@294123 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

svn2github/chromium-depot-tools,svn2github/chromium-depot-tools,svn2github/chromium-depot-tools