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Migrate deprecated web-view method #11798
@zeke from a compat standpoint
Feb 1, 2018
9 checks passed
This change means that it will only be possible to create v1 shadow roots, even though v0 is still supported by Chrome.
As far as my tests show, the only way to extend builtin elements in Chrome (no one else allows it) is through Custom Elements v0 (ie. document.registerElement). Unless a v1 Shadow will function normally on v0 Elements, then I wonder if this PR will break the ability to extend builtin elements in the near future (with Web Component specs in upstream limbo).