The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/fa02b4fcc906e0175cbdc3446ecb3fbea74c3d37

commit fa02b4fcc906e0175cbdc3446ecb3fbea74c3d37
Author: Simon Que <sque@chromium.org>
Date: Thu Oct 26 01:36:00 2017

Print name of log source during failed readLogSource()

BUG= 778473 
R=afakhry@chromium.org, tbarzic@chromium.org

Change-Id: I18de052ef94fffae63a93d9a09527d16ff845579
Reviewed-on: https://chromium-review.googlesource.com/737441
Commit-Queue: Simon Que <sque@chromium.org>
Reviewed-by: Ahmed Fakhry <afakhry@chromium.org>
Reviewed-by: Toni Barzic <tbarzic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#511685}
[modify] https://crrev.com/fa02b4fcc906e0175cbdc3446ecb3fbea74c3d37/extensions/browser/api/feedback_private/feedback_private_api.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/f9dabac5e196066b8736c8452c69c5e74ab3ae51

commit f9dabac5e196066b8736c8452c69c5e74ab3ae51
Author: Simon Que <sque@chromium.org>
Date: Thu Oct 26 14:35:06 2017

Print name of log source during failed readLogSource()

BUG= 778473 
R=​afakhry@chromium.org, tbarzic@chromium.org

Change-Id: I18de052ef94fffae63a93d9a09527d16ff845579
Reviewed-on: https://chromium-review.googlesource.com/737441
Commit-Queue: Simon Que <sque@chromium.org>
Reviewed-by: Ahmed Fakhry <afakhry@chromium.org>
Reviewed-by: Toni Barzic <tbarzic@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#511685}(cherry picked from commit fa02b4fcc906e0175cbdc3446ecb3fbea74c3d37)
Reviewed-on: https://chromium-review.googlesource.com/739184
Reviewed-by: Simon Que <sque@chromium.org>
Cr-Commit-Position: refs/branch-heads/3239@{#239}
Cr-Branched-From: adb61db19020ed8ecee5e91b1a0ea4c924ae2988-refs/heads/master@{#508578}
[modify] https://crrev.com/f9dabac5e196066b8736c8452c69c5e74ab3ae51/extensions/browser/api/feedback_private/feedback_private_api.cc