The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/1f227e06d175a741e8a5f23107c345965692b231

commit 1f227e06d175a741e8a5f23107c345965692b231
Author: Nate Chapin <japhet@chromium.org>
Date: Thu Jul 19 21:59:35 2018

Implement FeaturePolicy sync-script (as an experimental feature policy)

Spec discussion: https://github.com/WICG/feature-policy/issues/135
Intent to implement: https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/b7f_K30MBYo

Bug: 862422
Change-Id: Icd8a5d747373a819c7073ac459b5e8823d7986a8
Reviewed-on: https://chromium-review.googlesource.com/894137
Reviewed-by: Ojan Vafai <ojan@chromium.org>
Reviewed-by: Hiroshige Hayashizaki <hiroshige@chromium.org>
Reviewed-by: Ian Clelland <iclelland@chromium.org>
Commit-Queue: Nate Chapin <japhet@chromium.org>
Cr-Commit-Position: refs/heads/master@{#576652}
[add] https://crrev.com/1f227e06d175a741e8a5f23107c345965692b231/third_party/WebKit/LayoutTests/external/wpt/feature-policy/experimental-features/resources/async-script.js
[add] https://crrev.com/1f227e06d175a741e8a5f23107c345965692b231/third_party/WebKit/LayoutTests/external/wpt/feature-policy/experimental-features/resources/defer-script.js
[add] https://crrev.com/1f227e06d175a741e8a5f23107c345965692b231/third_party/WebKit/LayoutTests/external/wpt/feature-policy/experimental-features/resources/parser-blocking-script.js
[add] https://crrev.com/1f227e06d175a741e8a5f23107c345965692b231/third_party/WebKit/LayoutTests/external/wpt/feature-policy/experimental-features/resources/sync-script-test.js
[add] https://crrev.com/1f227e06d175a741e8a5f23107c345965692b231/third_party/WebKit/LayoutTests/external/wpt/feature-policy/experimental-features/sync-script.tentative.https.sub.html
[add] https://crrev.com/1f227e06d175a741e8a5f23107c345965692b231/third_party/WebKit/LayoutTests/external/wpt/feature-policy/experimental-features/sync-script.tentative.https.sub.html.headers
[modify] https://crrev.com/1f227e06d175a741e8a5f23107c345965692b231/third_party/blink/common/feature_policy/feature_policy.cc
[modify] https://crrev.com/1f227e06d175a741e8a5f23107c345965692b231/third_party/blink/renderer/core/script/script_loader.cc
[modify] https://crrev.com/1f227e06d175a741e8a5f23107c345965692b231/third_party/blink/renderer/platform/feature_policy/feature_policy.cc