Bring up of the enhanced bookmarks cluster service.

chrome/browser/enhanced_bookmarks/chrome_bookmark_server_cluster_service.h

+// Copyright 2014 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.
+
+#ifndef CHROME_BROWSER_ENHANCED_BOOKMARKS_CHROME_BOOKMARK_SERVER_CLUSTER_SERVICE_H_
+#define CHROME_BROWSER_ENHANCED_BOOKMARKS_CHROME_BOOKMARK_SERVER_CLUSTER_SERVICE_H_
+
+#include "chrome/browser/sync/profile_sync_service_observer.h"
+#include "components/enhanced_bookmarks/bookmark_server_cluster_service.h"
+
+class ProfileSyncService;
+
+namespace enhanced_bookmarks {
+
+// Manages requests to the bookmark server to do just-in-time requests.
+class ChromeBookmarkServerClusterService : public BookmarkServerClusterService,
+                                           public ProfileSyncServiceObserver {
+ public:
+  ChromeBookmarkServerClusterService(
+      const std::string& application_language_code,

[battre, 2014/09/26 14:33:04]

nit: add a comment on this? What is an application_language_code? E.g. for
Germany would it be "de", "de_DE", "GER"?

[Mark, 2014/09/26 19:17:19]

Eventually we should be ISO 639-6 compliant, but I think for now we can just use
BCP47 since both will be readable by the LanguageCode processor server-side.

[noyau (Ping after 24h), 2014/10/01 16:04:42]

BCP47 is what we use currently on iOS. Made it clear in the comment in the
superclass.

+      scoped_refptr<net::URLRequestContextGetter> request_context_getter,
+      ProfileOAuth2TokenService* token_service,
+      SigninManagerBase* signin_manager,
+      BookmarkModel* bookmark_model,
+      PrefService* pref_service,
+      ProfileSyncService* sync_service);
+  virtual ~ChromeBookmarkServerClusterService();
+
+  // ProfileSyncServiceObserver implementation.
+  virtual void OnStateChanged() OVERRIDE;
+  // The stars cluster API relies on the information in chrome-sync. Sending a
+  // cluster request immediately after a bookmark is changed from the bookmark
+  // observer notification will yield the wrong results. The request must be
+  // delayed until the sync cycle has completed.
+  virtual void OnSyncCycleCompleted() OVERRIDE;
+
+ private:
+  // This class observes the sync service for changes.
+  ProfileSyncService* sync_service_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeBookmarkServerClusterService);
+};
+}  // namespace enhanced_bookmarks
+
+#endif  // CHROME_BROWSER_ENHANCED_BOOKMARKS_CHROME_BOOKMARK_SERVER_CLUSTER_SERVICE_H_