Reduce frequency of requesting bookmark clusters.

components/enhanced_bookmarks/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 COMPONENTS_ENHANCED_BOOKMARKS_BOOKMARK_SERVER_CLUSTER_SERVICE_H_
 #define COMPONENTS_ENHANCED_BOOKMARKS_BOOKMARK_SERVER_CLUSTER_SERVICE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 49 matching lines @@
   // BookmarkServerService methods.
   scoped_ptr<net::URLFetcher> CreateFetcher() override;
   bool ProcessResponse(const std::string& response,
                        bool* should_notify) override;
   void CleanAfterFailure() override;
 
   // EnhancedBookmarkModelObserver methods.
   void EnhancedBookmarkModelLoaded() override;
   void EnhancedBookmarkAdded(const BookmarkNode* node) override;
   void EnhancedBookmarkRemoved(const BookmarkNode* node) override;
+  void EnhancedBookmarkNodeChanged(const BookmarkNode* node) override;
   void EnhancedBookmarkAllUserNodesRemoved() override;
   void EnhancedBookmarkRemoteIdChanged(const BookmarkNode* node,
                                        const std::string& old_remote_id,
                                        const std::string& remote_id) override;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(BookmarkServerServiceTest, Cluster);
   FRIEND_TEST_ALL_PREFIXES(BookmarkServerServiceTest, SignOut);
   FRIEND_TEST_ALL_PREFIXES(BookmarkServerServiceTest, Serialization);
   FRIEND_TEST_ALL_PREFIXES(BookmarkServerServiceTest, SaveToPrefs);
@@ skipping 35 matching lines @@
   PrefService* pref_service_;
   // The cluster data, a map from cluster name to a vector of stars.id.
   ClusterMap cluster_data_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkServerClusterService);
 };
 
 }  // namespace enhanced_bookmarks
 
 #endif  // COMPONENTS_ENHANCED_BOOKMARKS_BOOKMARK_SERVER_CLUSTER_SERVICE_H_