The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/35bfb2b24de94145f1aac42a41c73e11427281d4

commit 35bfb2b24de94145f1aac42a41c73e11427281d4
Author: ryansturm <ryansturm@chromium.org>
Date: Wed Dec 21 00:03:21 2016

Virtualize DataUseRecorder's destructor

DataUseRecorder's destructor is not virtual and ChromeDataUseRecorder
inherits from it. While there are no delete's called on DataUseRecorder
pointers, this may not hold true in the future.

BUG= 676147 

Review-Url: https://codereview.chromium.org/2592653005
Cr-Commit-Position: refs/heads/master@{#439941}

[modify] https://crrev.com/35bfb2b24de94145f1aac42a41c73e11427281d4/chrome/browser/data_use_measurement/chrome_data_use_recorder.h
[modify] https://crrev.com/35bfb2b24de94145f1aac42a41c73e11427281d4/components/data_use_measurement/core/data_use_recorder.h