[webcomponents] Add a proposal md document for ShadowRoot's delegatesFocus flag. (#127)

This is the document which corresponds to
https://github.com/w3c/webcomponents/issues/126

You can view, comment on, or merge this pull request online at:

  https://github.com/w3c/webcomponents/pull/127

-- Commit Summary --

  * Add a proposal md document for ShadowRoot's delegatesFocus flag.

-- File Changes --

    A proposals/ShadowRoot-delegatesFocus-Proposal.md (59)

-- Patch Links --

https://github.com/w3c/webcomponents/pull/127.patch
https://github.com/w3c/webcomponents/pull/127.diff

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Reply to this email directly or view it on GitHub:
https://github.com/w3c/webcomponents/pull/127