WPT import https://crrev.com/c/1114090 introduced new failures in external/wpt/css/css-transforms:

List of new failures:
external/wpt/css/css-transforms/parsing/transform-box-valid.html new failing tests: https://crrev.com/c/1114090/4/third_party/WebKit/LayoutTests/external/wpt/css/css-transforms/parsing/transform-box-valid-expected.txt

This import contains upstream changes from 5efecac39e051e64c0f4aa72f866f105e226f1a5 to 775bb3b7bf1e28c58d8381422e6755c3f6936b46:
Reland "[CSS Env Vars] Add some WPT tests": https://github.com/web-platform-tests/wpt/commit/775bb3b7bf1e28c58d8381422e6755c3f6936b46 [affecting this directory]
Merge pull request #11633 from ewilligers/transform-parsing: https://github.com/web-platform-tests/wpt/commit/2aef17508c746b47c6010ff908f38742985d3394
Revert "Move a test for min-content for a soft-hyphen to wpt": https://github.com/web-platform-tests/wpt/commit/ce2196e7a345f209ce095ec6c7356f3a6cf168d4 [affecting this directory]
Move a test for min-content for a soft-hyphen to wpt: https://github.com/web-platform-tests/wpt/commit/cb5379322c3ae9f1fb203d6c0b9bc12e7f6af44d [affecting this directory]
[css-transforms] Parsing transforms-1 properties: https://github.com/web-platform-tests/wpt/commit/667bdfe98fcf5be907b3cb63d444853c9ed00966 [affecting this directory]