tree e9637b06344b2ec6791ec73e857d279fa67bb4cf
parent b3bf362ce2b17ecb77f75ebe93ab7b20499fc0cf
author commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> 1390840485 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> 1390840485 +0000

Explain empty report in compare_codereview.py.

Let user know when control and roll have no common trybots, instead of
being silent.

BUG=skia:
R=borenet@google.com

Author: halcanary@google.com

Review URL: https://codereview.chromium.org/135683003

git-svn-id: http://skia.googlecode.com/svn/trunk@13194 2bbb7eff-a529-9590-31e7-b0007b416f81