Cleanup android specific code of //chrome/browser/history

Cleanup android specific code of //chrome/browser/history

Forward-declare AndroidHistoryProviderService in history_service.h
instead of including android_history_provider_service.h since the
type is only used for a friendship declaration.

BUG=371820
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=272464

[sdefresne, 2014-05-14 17:06:03]

Please have a look.

[sky, 2014-05-14 19:07:26]

LGTM

[sdefresne, 2014-05-16 14:30:54]

The CQ bit was checked by sdefresne@chromium.org

[commit-bot: I haz the power, 2014-05-16 14:32:06]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/sdefresne@chromium.org/285763004/40001

[commit-bot: I haz the power, 2014-05-16 16:24:33]

FYI, CQ is re-trying this CL (attempt #1).
Please consider checking whether the failures are real,
and report flakes to chrome-troopers@google.com.
The failing builders are:
  linux_chromium_chromeos_rel on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/linux_chromium_chrome...)

[commit-bot: I haz the power, 2014-05-16 17:27:22]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-05-16 17:27:22]

Try jobs failed on following builders:
  linux_chromium_chromeos_rel on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/linux_chromium_chrome...)

[sdefresne, 2014-05-23 08:51:00]

The CQ bit was checked by sdefresne@chromium.org

[commit-bot: I haz the power, 2014-05-23 08:52:48]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/sdefresne@chromium.org/285763004/40001

[commit-bot: I haz the power, 2014-05-23 10:25:35]

Change committed as 272464