The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/5130214053f83b415a1cd7f9997ff88b05397520

commit 5130214053f83b415a1cd7f9997ff88b05397520
Author: Ian Clelland <iclelland@chromium.org>
Date: Fri Feb 09 14:01:53 2018

Remove FeaturePolicy runtime flag

This removes the RuntimeEnabledFeatures flag, as well as the
base::Feature and the corresponding entry in chrome://flags

Bug:  810384 
Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.linux:linux_layout_tests_layout_ng;master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
Change-Id: Icecbe35a6af6d85c7f130512aaf9f00a695df2af
Reviewed-on: https://chromium-review.googlesource.com/908711
Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Commit-Queue: Ian Clelland <iclelland@chromium.org>
Cr-Commit-Position: refs/heads/master@{#535700}
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/chrome/browser/about_flags.cc
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/chrome/browser/usb/usb_tab_helper.cc
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/content/browser/geolocation/geolocation_service_impl.cc
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/content/browser/site_per_process_browsertest.cc
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/content/child/runtime_features.cc
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/content/public/common/content_features.cc
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/content/public/common/content_features.h
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/third_party/WebKit/LayoutTests/FlagExpectations/disable-blink-features=RootLayerScrolling
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/third_party/WebKit/LayoutTests/FlagExpectations/enable-blink-features=LayoutNG
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/third_party/WebKit/LayoutTests/FlagExpectations/enable-slimming-paint-v2
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/third_party/WebKit/LayoutTests/TestExpectations
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/third_party/WebKit/LayoutTests/VirtualTestSuites
[delete] https://crrev.com/e37f4616439d872a777af832e61ac282b1f60820/third_party/WebKit/LayoutTests/virtual/feature-policy/http/tests/feature-policy/README.txt
[delete] https://crrev.com/e37f4616439d872a777af832e61ac282b1f60820/third_party/WebKit/LayoutTests/virtual/feature-policy/http/tests/feature-policy/fullscreen-allowed-by-container-policy-expected.txt
[delete] https://crrev.com/e37f4616439d872a777af832e61ac282b1f60820/third_party/WebKit/LayoutTests/virtual/feature-policy/http/tests/feature-policy/fullscreen-allowed-by-container-policy-relocate-expected.txt
[delete] https://crrev.com/e37f4616439d872a777af832e61ac282b1f60820/third_party/WebKit/LayoutTests/virtual/feature-policy/http/tests/feature-policy/fullscreen-disabled-expected.txt
[delete] https://crrev.com/e37f4616439d872a777af832e61ac282b1f60820/third_party/WebKit/LayoutTests/virtual/feature-policy/http/tests/feature-policy/fullscreen-enabledforall-expected.txt
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/third_party/WebKit/Source/core/dom/Document.cpp
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/third_party/WebKit/Source/core/exported/WebRemoteFrameImpl.cpp
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/third_party/WebKit/Source/core/frame/Deprecation.cpp
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/third_party/WebKit/Source/core/frame/UseCounterTest.cpp
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/third_party/WebKit/Source/core/html/HTMLIFrameElement.cpp
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/third_party/WebKit/Source/core/html/HTMLIFrameElement.idl
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/third_party/WebKit/Source/core/loader/DocumentLoader.cpp
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/third_party/WebKit/Source/platform/exported/WebRuntimeFeatures.cpp
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/third_party/WebKit/Source/platform/feature_policy/FeaturePolicy.cpp
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/third_party/WebKit/Source/platform/runtime_enabled_features.json5
[modify] https://crrev.com/5130214053f83b415a1cd7f9997ff88b05397520/third_party/WebKit/public/platform/WebRuntimeFeatures.h