The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/ecbf76e29fd1f8dc3c39b66f1a7eb97fdfeff763

commit ecbf76e29fd1f8dc3c39b66f1a7eb97fdfeff763
Author: Mark Pilgrim <pilgrim@chromium.org>
Date: Fri Jun 15 13:56:26 2018

Migrate VariationsService to SimpleURLLoader

TBR=sdefresne@chromium.org

Bug:  844974 
Cq-Include-Trybots: luci.chromium.try:ios-simulator-full-configs;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: Ie3e26e7fb7ce5e2624c45927f03f0ee8613f766a
Reviewed-on: https://chromium-review.googlesource.com/1097213
Commit-Queue: Mark Pilgrim <pilgrim@chromium.org>
Reviewed-by: Bo <boliu@chromium.org>
Reviewed-by: Matt Menke <mmenke@chromium.org>
Reviewed-by: Alexei Svitkine <asvitkine@chromium.org>
Cr-Commit-Position: refs/heads/master@{#567628}
[modify] https://crrev.com/ecbf76e29fd1f8dc3c39b66f1a7eb97fdfeff763/android_webview/browser/aw_variations_service_client.cc
[modify] https://crrev.com/ecbf76e29fd1f8dc3c39b66f1a7eb97fdfeff763/android_webview/browser/aw_variations_service_client.h
[modify] https://crrev.com/ecbf76e29fd1f8dc3c39b66f1a7eb97fdfeff763/chrome/browser/metrics/variations/chrome_variations_service_client.cc
[modify] https://crrev.com/ecbf76e29fd1f8dc3c39b66f1a7eb97fdfeff763/chrome/browser/metrics/variations/chrome_variations_service_client.h
[modify] https://crrev.com/ecbf76e29fd1f8dc3c39b66f1a7eb97fdfeff763/components/variations/service/BUILD.gn
[modify] https://crrev.com/ecbf76e29fd1f8dc3c39b66f1a7eb97fdfeff763/components/variations/service/DEPS
[modify] https://crrev.com/ecbf76e29fd1f8dc3c39b66f1a7eb97fdfeff763/components/variations/service/variations_field_trial_creator_unittest.cc
[modify] https://crrev.com/ecbf76e29fd1f8dc3c39b66f1a7eb97fdfeff763/components/variations/service/variations_service.cc
[modify] https://crrev.com/ecbf76e29fd1f8dc3c39b66f1a7eb97fdfeff763/components/variations/service/variations_service.h
[modify] https://crrev.com/ecbf76e29fd1f8dc3c39b66f1a7eb97fdfeff763/components/variations/service/variations_service_client.h
[modify] https://crrev.com/ecbf76e29fd1f8dc3c39b66f1a7eb97fdfeff763/components/variations/service/variations_service_unittest.cc
[modify] https://crrev.com/ecbf76e29fd1f8dc3c39b66f1a7eb97fdfeff763/ios/chrome/browser/variations/ios_chrome_variations_service_client.cc
[modify] https://crrev.com/ecbf76e29fd1f8dc3c39b66f1a7eb97fdfeff763/ios/chrome/browser/variations/ios_chrome_variations_service_client.h