GitLab

* Remove shared-clipboard-receiver (enabled by default)
* Extend shared-clipboard-ui
* Extend sharing-derive-vapid-key
* Extend click-to-call-ui

Change-Id: I6434cae0855c2834e44175a31123419d5ea7f3b4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2068601Reviewed-by: Richard Knoll <knollr@chromium.org>
Commit-Queue: Michael van Ouwerkerk <mvanouwerkerk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#743921}