The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/d3c852d2ffe2926f0d7d5fe395348fa0710d6513

commit d3c852d2ffe2926f0d7d5fe395348fa0710d6513
Author: Mike West <mkwst@chromium.org>
Date: Tue Sep 26 09:22:23 2017

Deprecate `<meta http-equiv="set-cookie" ...>`

Intent to Deprecate: https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/0sJ8GUJO0Dw/iMmcXLIGBAAJ

Bug:  767813 
Change-Id: I29868952df3e9c8d5cef85fa39c43a85d850b9e9
Reviewed-on: https://chromium-review.googlesource.com/678723
Commit-Queue: Mike West <mkwst@chromium.org>
Reviewed-by: Eric Lawrence <elawrence@chromium.org>
Cr-Commit-Position: refs/heads/master@{#504322}
[add] https://crrev.com/d3c852d2ffe2926f0d7d5fe395348fa0710d6513/third_party/WebKit/LayoutTests/http/tests/cookies/meta-expected.txt
[add] https://crrev.com/d3c852d2ffe2926f0d7d5fe395348fa0710d6513/third_party/WebKit/LayoutTests/http/tests/cookies/meta.html
[modify] https://crrev.com/d3c852d2ffe2926f0d7d5fe395348fa0710d6513/third_party/WebKit/Source/core/frame/Deprecation.cpp
[modify] https://crrev.com/d3c852d2ffe2926f0d7d5fe395348fa0710d6513/third_party/WebKit/Source/core/loader/HttpEquiv.cpp
[modify] https://crrev.com/d3c852d2ffe2926f0d7d5fe395348fa0710d6513/third_party/WebKit/Source/platform/runtime_enabled_features.json5

Deprecated in 63; aiming to remove in 65.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/e71f2e951038b1b204d0f35cdfee0463a63bffa1

commit e71f2e951038b1b204d0f35cdfee0463a63bffa1
Author: Mike West <mkwst@chromium.org>
Date: Mon Dec 04 15:06:12 2017

Block `<meta http-equiv="set-cookie" ...>`

Intent to Deprecate: https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/0sJ8GUJO0Dw/iMmcXLIGBAAJ

HTML discussion at https://github.com/whatwg/html/issues/3076.

Bug:  767813 
Change-Id: Ibbbce7794c6802e66eeb4e8e6d95acedebbe840c
Reviewed-on: https://chromium-review.googlesource.com/800290
Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Commit-Queue: Mike West <mkwst@chromium.org>
Cr-Commit-Position: refs/heads/master@{#521338}
[add] https://crrev.com/e71f2e951038b1b204d0f35cdfee0463a63bffa1/third_party/WebKit/LayoutTests/external/wpt/cookies/meta-blocked.html
[modify] https://crrev.com/e71f2e951038b1b204d0f35cdfee0463a63bffa1/third_party/WebKit/LayoutTests/http/tests/cookies/meta-expected.txt
[modify] https://crrev.com/e71f2e951038b1b204d0f35cdfee0463a63bffa1/third_party/WebKit/Source/core/frame/Deprecation.cpp
[modify] https://crrev.com/e71f2e951038b1b204d0f35cdfee0463a63bffa1/third_party/WebKit/Source/platform/runtime_enabled_features.json5

This should be shipping in 65.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/94ec17be028f348f27d6e754f1e3fa33b29011f9

commit 94ec17be028f348f27d6e754f1e3fa33b29011f9
Author: Eric Willigers <ericwilligers@chromium.org>
Date: Fri Aug 17 03:15:16 2018

Retire BlockMetaSetCookie runtime flag

M65 removed the ability to manipulate a host's cookies via markup.
https://chromium-review.googlesource.com/800290
https://www.chromestatus.com/feature/6170540112871424

BUG= 767813 

Change-Id: Ib201015bb2cf570da299630c9edaaf674068114c
Reviewed-on: https://chromium-review.googlesource.com/1166264
Reviewed-by: Mike West <mkwst@chromium.org>
Commit-Queue: Eric Willigers <ericwilligers@chromium.org>
Cr-Commit-Position: refs/heads/master@{#583951}
[modify] https://crrev.com/94ec17be028f348f27d6e754f1e3fa33b29011f9/third_party/blink/renderer/core/loader/http_equiv.cc
[modify] https://crrev.com/94ec17be028f348f27d6e754f1e3fa33b29011f9/third_party/blink/renderer/platform/runtime_enabled_features.json5