Revert of ChromeBrowserProvider shouldn't own the FaviconService

Revert of ChromeBrowserProvider shouldn't own the FaviconService (patchset #1 id:1 of https://codereview.chromium.org/731873003/)

Reason for revert:
Broke the branch build. https://uberchromegw.corp.google.com/i/chrome.mobile/builders/arm%20stable/builds/7097

Original issue's description:
> ChromeBrowserProvider shouldn't own the FaviconService
>
> As FaviconService is KeyedService and will be deleted along with profile.
>
> BUG=411435
> TBR=Tedchoc
>
> Review URL: https://codereview.chromium.org/739713002
>
> Cr-Commit-Position: refs/heads/master@{#304690}
>
> Committed: https://chromium.googlesource.com/chromium/src/+/8c5b8c707daa9c026540a63f6f1e1c5981f5909c

TBR=michaelbai@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=411435
Committed: https://crrev.com/fa4053cc550e8989991006ea59a171bc3dd8e6e3
Cr-Commit-Position: refs/heads/master@{#304979}

[kerz_google, 2014-11-20 04:55:53]

Created Revert of ChromeBrowserProvider shouldn't own the FaviconService

[kerz_google, 2014-11-20 04:56:07]

The CQ bit was checked by kerz@google.com

[commit-bot: I haz the power, 2014-11-20 04:57:08]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/740853002/1

[commit-bot: I haz the power, 2014-11-20 04:57:50]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-11-20 04:58:30]

Patchset 1 (id:??) landed as
https://crrev.com/fa4053cc550e8989991006ea59a171bc3dd8e6e3
Cr-Commit-Position: refs/heads/master@{#304979}

[kerz_google, 2014-11-20 05:06:41]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/745463002/ by kerz@google.com.

The reason for reverting is: Reverted from the wrong branch..