The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/afd2afbcf33cc67b69cb0ba24792517c0bfe14e9

commit afd2afbcf33cc67b69cb0ba24792517c0bfe14e9
Author: Hwanseung Lee <hs1217.lee@samsung.com>
Date: Wed Dec 27 01:42:36 2017

[css-typed-om] CSSUnitValue should not have type attribute

type attribute was removed in CSSUnitValue.idl

https://drafts.css-houdini.org/css-typed-om-1/#cssunitvalue
https://github.com/w3c/css-houdini-drafts/pull/497

Bug:  797668 
Change-Id: Ic29193979f3336d735f6484ba199c652753e7ca0
Reviewed-on: https://chromium-review.googlesource.com/844305
Reviewed-by: Darren Shen <shend@chromium.org>
Commit-Queue: Hwanseung Lee <hs1217.lee@samsung.com>
Cr-Commit-Position: refs/heads/master@{#526203}
[modify] https://crrev.com/afd2afbcf33cc67b69cb0ba24792517c0bfe14e9/third_party/WebKit/LayoutTests/http/tests/worklet/webexposed/global-interface-listing-paint-worklet-expected.txt
[modify] https://crrev.com/afd2afbcf33cc67b69cb0ba24792517c0bfe14e9/third_party/WebKit/LayoutTests/typedcssom/cssUnitValue.html
[modify] https://crrev.com/afd2afbcf33cc67b69cb0ba24792517c0bfe14e9/third_party/WebKit/LayoutTests/webexposed/global-interface-listing-expected.txt
[modify] https://crrev.com/afd2afbcf33cc67b69cb0ba24792517c0bfe14e9/third_party/WebKit/Source/core/css/cssom/CSSUnitValue.cpp
[modify] https://crrev.com/afd2afbcf33cc67b69cb0ba24792517c0bfe14e9/third_party/WebKit/Source/core/css/cssom/CSSUnitValue.h
[modify] https://crrev.com/afd2afbcf33cc67b69cb0ba24792517c0bfe14e9/third_party/WebKit/Source/core/css/cssom/CSSUnitValue.idl