Promote BookmarkService to a public API.

chrome/browser/history/expire_history_backend.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/history/expire_history_backend.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
-#include "chrome/browser/bookmarks/bookmark_service.h"
+#include "chrome/browser/api/bookmarks/bookmark_service.h"
 #include "chrome/browser/history/archived_database.h"
 #include "chrome/browser/history/history_database.h"
 #include "chrome/browser/history/history_notifications.h"
 #include "chrome/browser/history/text_database.h"
 #include "chrome/browser/history/text_database_manager.h"
 #include "chrome/browser/history/thumbnail_database.h"
 #include "chrome/common/chrome_notification_types.h"
 
 using base::Time;
 using base::TimeDelta;
@@ skipping 690 matching lines @@
   // We use the bookmark service to determine if a URL is bookmarked. The
   // bookmark service is loaded on a separate thread and may not be done by the
   // time we get here. We therefor block until the bookmarks have finished
   // loading.
   if (bookmark_service_)
     bookmark_service_->BlockTillLoaded();
   return bookmark_service_;
 }
 
 }  // namespace history