[GCM] Exposing persistence of account mappings in GCM Driver

components/gcm_driver/gcm_client_impl.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_GCM_DRIVER_GCM_CLIENT_IMPL_H_
 #define COMPONENTS_GCM_DRIVER_GCM_CLIENT_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 87 matching lines @@
                         const std::vector<std::string>& sender_ids) OVERRIDE;
   virtual void Unregister(const std::string& app_id) OVERRIDE;
   virtual void Send(const std::string& app_id,
                     const std::string& receiver_id,
                     const OutgoingMessage& message) OVERRIDE;
   virtual void SetRecording(bool recording) OVERRIDE;
   virtual void ClearActivityLogs() OVERRIDE;
   virtual GCMStatistics GetStatistics() const OVERRIDE;
   virtual void SetAccountsForCheckin(
       const std::map<std::string, std::string>& account_tokens) OVERRIDE;
+  virtual void UpdateAccountMapping(
+      const AccountMapping& account_mapping) OVERRIDE;
+  virtual void RemoveAccountMapping(const std::string& account_id) OVERRIDE;
 
   // GCMStatsRecorder::Delegate implemenation.
   virtual void OnActivityRecorded() OVERRIDE;
 
   // ConnectionFactory::ConnectionListener implementation.
   virtual void OnConnected(const GURL& current_server,
                            const net::IPEndPoint& ip_endpoint) OVERRIDE;
   virtual void OnDisconnected() OVERRIDE;
 
  private:
@@ skipping 97 matching lines @@
   base::TimeDelta GetTimeToNextCheckin() const;
   // Callback for setting last checkin information in the |gcm_store_|.
   void SetLastCheckinInfoCallback(bool success);
 
   // Callback for persisting device credentials in the |gcm_store_|.
   void SetDeviceCredentialsCallback(bool success);
 
   // Callback for persisting registration info in the |gcm_store_|.
   void UpdateRegistrationCallback(bool success);
 
+  // Callback for all store operations that do not try to recover, if write in
+  // |gcm_store_| fails.
+  void DefaultStoreCallback(bool success);
+
   // Completes the registration request.
   void OnRegisterCompleted(const std::string& app_id,
                            const std::vector<std::string>& sender_ids,
                            RegistrationRequest::Status status,
                            const std::string& registration_id);
 
   // Completes the unregistration request.
   void OnUnregisterCompleted(const std::string& app_id,
                              UnregistrationRequest::Status status);
 
@@ skipping 77 matching lines @@
 
   // Factory for creating references in callbacks.
   base::WeakPtrFactory<GCMClientImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GCMClientImpl);
 };
 
 }  // namespace gcm
 
 #endif  // COMPONENTS_GCM_DRIVER_GCM_CLIENT_IMPL_H_