GitLab

Implements ClipboardImageModelFactoryImpl.
Previous CL landed ClipboardImageModelFactory, and all
ash-side usages of the factory.

This CL implements rendering of HTML via
ClipboardImageModelRequest.

Bug: 1117230
Change-Id: I2f7ac67eadac5ef1a3c7cfca9918de438f02ff8e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2367395
Commit-Queue: Alex Newcomer <newcomer@chromium.org>
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Auto-Submit: Alex Newcomer <newcomer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#802779}