GitLab

This reverts commit 28b06e6b.

Reason for revert: <INSERT REASONING HERE>

Original change's description:
> Add animation to history info header
> 
> + Make DateDividedAdapter support multiple header items so that
>   privacy disclaimers and clear browsing data button can be seperate
>   items in recycler view to support show/hide animation.
> + Hide info button when info header is not visible on scrolling down
>   in both history and downloads.
> + Remove header when history items are all deleted.
> 
> BUG=689322
> 
> Change-Id: Idbcae648ba277eb82b87bbe5a0667373bb09fc1a
> Reviewed-on: https://chromium-review.googlesource.com/560672
> Commit-Queue: Becky Zhou <huayinz@chromium.org>
> Reviewed-by: Theresa <twellington@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#488031}

TBR=tedchoc@chromium.org,twellington@chromium.org,huayinz@chromium.org

Change-Id: Iae0a049dfa302ca835a927e7cbd6e20c5f78fff3
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 689322
Reviewed-on: https://chromium-review.googlesource.com/580028Reviewed-by: Theresa <twellington@chromium.org>
Commit-Queue: Becky Zhou <huayinz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#488287}