The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/013d499d97a52a2d6cb6cd049a6357655fa392d0

commit 013d499d97a52a2d6cb6cd049a6357655fa392d0
Author: Min Qin <qinmin@chromium.org>
Date: Fri Jan 18 20:54:38 2019

make download auto resumption not starting full browser

There is no need to start full browser when resuming a download.
This is for the old auto resumption path.

BUG=923158

Change-Id: I962ef19640c6a737b0d124c5348f936199dfa8f5
Reviewed-on: https://chromium-review.googlesource.com/c/1419300
Reviewed-by: Shakti Sahu <shaktisahu@chromium.org>
Commit-Queue: Min Qin <qinmin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#624275}
[modify] https://crrev.com/013d499d97a52a2d6cb6cd049a6357655fa392d0/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadResumptionBackgroundTask.java