The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/a979fce69fb980ef1284f29840eb601879677fa2

commit a979fce69fb980ef1284f29840eb601879677fa2
Author: Andrey Kosyakov <caseq@chromium.org>
Date: Tue Oct 23 01:29:05 2018

DevTools: make interception work with multiple clients

This is network service-only.

Bug:  896924 
Change-Id: I240d743089735c5a647112fb83c13081b55bd64b
Reviewed-on: https://chromium-review.googlesource.com/c/1289962
Commit-Queue: Andrey Kosyakov <caseq@chromium.org>
Reviewed-by: Pavel Feldman <pfeldman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#601817}
[modify] https://crrev.com/a979fce69fb980ef1284f29840eb601879677fa2/content/browser/devtools/devtools_url_loader_interceptor.cc
[modify] https://crrev.com/a979fce69fb980ef1284f29840eb601879677fa2/content/browser/devtools/render_frame_devtools_agent_host.cc
[modify] https://crrev.com/a979fce69fb980ef1284f29840eb601879677fa2/third_party/WebKit/LayoutTests/FlagExpectations/enable-features=NetworkService
[modify] https://crrev.com/a979fce69fb980ef1284f29840eb601879677fa2/third_party/WebKit/LayoutTests/TestExpectations
[add] https://crrev.com/a979fce69fb980ef1284f29840eb601879677fa2/third_party/WebKit/LayoutTests/http/tests/inspector-protocol/network/interception-multiclient-expected.txt
[add] https://crrev.com/a979fce69fb980ef1284f29840eb601879677fa2/third_party/WebKit/LayoutTests/http/tests/inspector-protocol/network/interception-multiclient.js