[GCM] Adding status to AccountMapping structure

google_apis/gcm/engine/account_info.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 GOOGLE_APIS_GCM_ENGINE_ACCOUNT_INFO_H_
-#define GOOGLE_APIS_GCM_ENGINE_ACCOUNT_INFO_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/time/time.h"
-#include "google_apis/gcm/base/gcm_export.h"
-
-namespace gcm {
-
-// Stores information about Account and a last message sent with the information
-// about that account.
-struct GCM_EXPORT AccountInfo {
-  // Indicates whether a message, if sent, was adding or removing account
-  // mapping.
-  enum MessageType {
-    MSG_NONE,    // No message has been sent.
-    MSG_ADD,     // Account was mapped to device by the message.
-    MSG_REMOVE,  // Account mapping to device was removed by the message.
-  };
-
-  AccountInfo();
-  ~AccountInfo();
-
-  // Serializes account info to string without |account_id|.
-  std::string SerializeAsString() const;
-  // Parses account info from store, without |account_id|.
-  bool ParseFromString(const std::string& value);
-
-  // Gaia ID of the account.
-  std::string account_id;
-  // Email address of the tracked account.
-  std::string email;
-  // Type of the last mapping message sent to GCM.
-  MessageType last_message_type;
-  // ID of the last mapping message sent to GCM.
-  std::string last_message_id;
-  // Timestamp of when the last mapping message was sent to GCM.
-  base::Time last_message_timestamp;
-};
-
-}  // namespace gcm
-
-#endif  // GOOGLE_APIS_GCM_ENGINE_ACCOUNT_INFO_H_