Remove bookmark_model.h includes from places where it is not needed.

Remove bookmark_model.h includes from places where it is not needed.

Those places just want to mess with BookmarkNode, so we can just include
components/bookmarks/core/browser/bookmark_node.h instead.

BUG=360643
TEST=chrome, unit_tests they both link
R=sky@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=265555

[sky, 2014-04-22 23:36:54]

LGTM

[tfarina, 2014-04-23 01:36:22]

The CQ bit was checked by tfarina@chromium.org

[commit-bot: I haz the power, 2014-04-23 01:36:57]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/tfarina@chromium.org/245893006/1

[commit-bot: I haz the power, 2014-04-23 02:43:33]

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

[commit-bot: I haz the power, 2014-04-23 02:43:34]

Try jobs failed on following builders:
  tryserver.chromium on win_chromium_rel

[tfarina, 2014-04-23 02:48:59]

The CQ bit was checked by tfarina@chromium.org

[commit-bot: I haz the power, 2014-04-23 02:49:22]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/tfarina@chromium.org/245893006/1

[commit-bot: I haz the power, 2014-04-23 06:22:27]

Change committed as 265555