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This reverts commit a2bae731.

Reason for revert:

Findit (https://goo.gl/kROfz5) identified CL at revision 579967 as the
culprit for failures in the build cycles as shown on:
https://findit-for-me.appspot.com/waterfall/culprit?key=ag9zfmZpbmRpdC1mb3ItbWVyRAsSDVdmU3VzcGVjdGVkQ0wiMWNocm9taXVtL2EyYmFlNzMxOTRiOGRlYjFiYTJlNTMzYzIzNWMzMjhiYTgwOWZjMDcM

Sample Failed Build: https://ci.chromium.org/buildbot/chromium.memory/Linux%20ChromiumOS%20MSan%20Tests/8101

Sample Failed Step: browser_tests

Original change's description:
> Make SearchBoxView Search Box have the functionality to autocomplete
> user queries.
> 
> Current iteration:
> 1. Autocomplete queries will only autocomplete if it is confident in a
>    url or text query (no apps or answer cards).
> 2. Autocomplete is based off of the first result view in the
>    SearchResultPageView.
> 3. Up/Down/Left/Right/Tab keys all trigger autocomplete.
> 
> Bug: 865543
> Change-Id: I8be9ba36f4bb79bc250b64d289919bd898144862
> Reviewed-on: https://chromium-review.googlesource.com/1141118
> Commit-Queue: Daniel Zhang <oxyflush@google.com>
> Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
> Reviewed-by: Alex Newcomer <newcomer@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#579967}

Change-Id: I069a412d061460bd83025292b583eefcd58c469f
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 865543
Reviewed-on: https://chromium-review.googlesource.com/1159852
Cr-Commit-Position: refs/heads/master@{#580056}