Revert of Revert of ChromeBrowserProvider shouldn't own the FaviconService

Revert of Revert of ChromeBrowserProvider shouldn't own the FaviconService (patchset #1 id:1 of https://codereview.chromium.org/740853002/)

Reason for revert:
Reverted from the wrong branch.

Original issue's description:
> 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}

TBR=michaelbai@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=411435
Committed: https://crrev.com/cc084e6c64f4650eabb814e0e9282ed816a86561
Cr-Commit-Position: refs/heads/master@{#304982}

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

Created Revert of Revert of ChromeBrowserProvider shouldn't own the
FaviconService

[kerz_google, 2014-11-20 05:06:52]

The CQ bit was checked by kerz@google.com

[commit-bot: I haz the power, 2014-11-20 05:07:01]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/745463002/1

[commit-bot: I haz the power, 2014-11-20 05:07:35]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-11-20 05:08:25]

Patchset 1 (id:??) landed as
https://crrev.com/cc084e6c64f4650eabb814e0e9282ed816a86561
Cr-Commit-Position: refs/heads/master@{#304982}