Flush Channel IDs when Cookies get saved to a persistent backend

net/ssl/default_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 NET_SSL_DEFAULT_CHANNEL_ID_STORE_H_
 #define NET_SSL_DEFAULT_CHANNEL_ID_STORE_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 43 matching lines @@
   void SetChannelID(std::unique_ptr<ChannelID> channel_id) override;
   void DeleteChannelID(const std::string& server_identifier,
                        const base::Closure& callback) override;
   void DeleteForDomainsCreatedBetween(
       const base::Callback<bool(const std::string&)>& domain_predicate,
       base::Time delete_begin,
       base::Time delete_end,
       const base::Closure& callback) override;
   void DeleteAll(const base::Closure& callback) override;
   void GetAllChannelIDs(const GetChannelIDListCallback& callback) override;
+  void Flush() override;
   int GetChannelIDCount() override;
   void SetForceKeepSessionState() override;
   bool IsEphemeral() override;
 
  private:
   class Task;
   class GetChannelIDTask;
   class SetChannelIDTask;
   class DeleteChannelIDTask;
   class DeleteForDomainsCreatedBetweenTask;
@@ skipping 83 matching lines @@
   // Initializes the store and retrieves the existing channel_ids. This will be
   // called only once at startup. Note that the channel_ids are individually
   // allocated and that ownership is transferred to the caller upon return.
   // The |loaded_callback| must not be called synchronously.
   virtual void Load(const LoadedCallback& loaded_callback) = 0;
 
   virtual void AddChannelID(const ChannelID& channel_id) = 0;
 
   virtual void DeleteChannelID(const ChannelID& channel_id) = 0;
 
+  virtual void Flush() = 0;
+
   // When invoked, instructs the store to keep session related data on
   // destruction.
   virtual void SetForceKeepSessionState() = 0;
 
  protected:
   friend class base::RefCountedThreadSafe<PersistentStore>;
 
   PersistentStore();
   virtual ~PersistentStore();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PersistentStore);
 };
 
 }  // namespace net
 
 #endif  // NET_SSL_DEFAULT_CHANNEL_ID_STORE_H_