The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/048472b75955777dd9932f44188028e9a0fabe70

commit 048472b75955777dd9932f44188028e9a0fabe70
Author: Douglas Creager <dcreager@chromium.org>
Date: Fri Jul 27 15:48:04 2018

Reporting: Use application/reports+json MIME type for uploads

We changed the MIME type in https://github.com/w3c/reporting/issues/51
as part of the TAG review of the spec.

Bug:  868065 
Change-Id: I4d8020bb39ef12b0695d5f5b16c56eaf2cf0a50e
Reviewed-on: https://chromium-review.googlesource.com/1152069
Reviewed-by: Misha Efimov <mef@chromium.org>
Commit-Queue: Douglas Creager <dcreager@chromium.org>
Cr-Commit-Position: refs/heads/master@{#578656}
[modify] https://crrev.com/048472b75955777dd9932f44188028e9a0fabe70/net/reporting/reporting_uploader.cc
[modify] https://crrev.com/048472b75955777dd9932f44188028e9a0fabe70/net/reporting/reporting_uploader.h
[modify] https://crrev.com/048472b75955777dd9932f44188028e9a0fabe70/net/reporting/reporting_uploader_unittest.cc

Your change meets the bar and is auto-approved for M69. Please go ahead and merge the CL to branch 3497 manually. Please contact milestone owner if you have questions.
Owners: amineer@(Android), kariahda@(iOS), cindyb@(ChromeOS), govind@(Desktop)

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/42a7b0e8587555997c215fd48c46527bffb907c5

commit 42a7b0e8587555997c215fd48c46527bffb907c5
Author: Douglas Creager <dcreager@chromium.org>
Date: Sun Jul 29 13:49:28 2018

Reporting: Use application/reports+json MIME type for uploads

We changed the MIME type in https://github.com/w3c/reporting/issues/51
as part of the TAG review of the spec.

Bug:  868065 
Change-Id: I4d8020bb39ef12b0695d5f5b16c56eaf2cf0a50e
Reviewed-on: https://chromium-review.googlesource.com/1152069
Reviewed-by: Misha Efimov <mef@chromium.org>
Commit-Queue: Douglas Creager <dcreager@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#578656}(cherry picked from commit 048472b75955777dd9932f44188028e9a0fabe70)
Reviewed-on: https://chromium-review.googlesource.com/1154507
Cr-Commit-Position: refs/branch-heads/3497@{#189}
Cr-Branched-From: 271eaf50594eb818c9295dc78d364aea18c82ea8-refs/heads/master@{#576753}
[modify] https://crrev.com/42a7b0e8587555997c215fd48c46527bffb907c5/net/reporting/reporting_uploader.cc
[modify] https://crrev.com/42a7b0e8587555997c215fd48c46527bffb907c5/net/reporting/reporting_uploader.h
[modify] https://crrev.com/42a7b0e8587555997c215fd48c46527bffb907c5/net/reporting/reporting_uploader_unittest.cc