Flush Channel IDs when Cookies get saved to a persistent backend

chrome/browser/net/quota_policy_channel_id_store.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_NET_QUOTA_POLICY_CHANNEL_ID_STORE_H_
 #define CHROME_BROWSER_NET_QUOTA_POLICY_CHANNEL_ID_STORE_H_
 
 #include <memory>
 #include <set>
 #include <string>
@@ skipping 29 matching lines @@
       const scoped_refptr<base::SequencedTaskRunner>& background_task_runner,
       const scoped_refptr<storage::SpecialStoragePolicy>&
           special_storage_policy);
 
   // net::DefaultChannelIDStore::PersistentStore:
   void Load(const LoadedCallback& loaded_callback) override;
   void AddChannelID(
       const net::DefaultChannelIDStore::ChannelID& channel_id) override;
   void DeleteChannelID(
       const net::DefaultChannelIDStore::ChannelID& channel_id) override;
+  void Flush() override;
   void SetForceKeepSessionState() override;
 
  private:
   typedef std::vector<std::unique_ptr<net::DefaultChannelIDStore::ChannelID>>
       ChannelIDVector;
 
   ~QuotaPolicyChannelIDStore() override;
 
   void OnLoad(const LoadedCallback& loaded_callback,
               std::unique_ptr<ChannelIDVector> channel_ids);
 
   scoped_refptr<storage::SpecialStoragePolicy> special_storage_policy_;
   scoped_refptr<net::SQLiteChannelIDStore> persistent_store_;
   // Cache of server identifiers we have channel IDs stored for.
   std::set<std::string> server_identifiers_;
 
   DISALLOW_COPY_AND_ASSIGN(QuotaPolicyChannelIDStore);
 };
 
 #endif  // CHROME_BROWSER_NET_QUOTA_POLICY_CHANNEL_ID_STORE_H_