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diff --git a/cloud_print/gcp20/prototype/printer_state.h b/cloud_print/gcp20/prototype/printer_state.h
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+++ b/cloud_print/gcp20/prototype/printer_state.h
@@ -0,0 +1,74 @@
+// Copyright 2013 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 CLOUD_PRINT_GCP20_PROTOTYPE_PRINTER_STATE_H_
+#define CLOUD_PRINT_GCP20_PROTOTYPE_PRINTER_STATE_H_
+
+#include <string>
+
+#include "base/time/time.h"
+#include "cloud_print/gcp20/prototype/local_settings.h"
+
+namespace base {
+
+class FilePath;
+
+}  // namespace base
+
+struct PrinterState {
+  enum RegistrationState {
+    UNREGISTERED,
+    REGISTRATION_STARTED,  // |action=start| was called,
+                           // request to CloudPrint was sent.
+    REGISTRATION_CLAIM_TOKEN_READY,  // The same as previous, but request
+                                     // reply is already received.
+    REGISTRATION_COMPLETING,  // |action=complete| was called,
+                              // |complete| request was sent.
+    REGISTRATION_ERROR,  // Is set when server error was occurred.
+    REGISTERED,
+  };
+
+  enum ConfirmationState {
+    CONFIRMATION_PENDING,
+    CONFIRMATION_CONFIRMED,
+    CONFIRMATION_DISCARDED,
+    CONFIRMATION_TIMEOUT,
+  };
+
+  PrinterState();
+  ~PrinterState();
+
+  // Registration process info
+  std::string user;
+  std::string registration_token;
+  std::string complete_invite_url;
+  RegistrationState registration_state;
+  ConfirmationState confirmation_state;
+
+  // Printer workflow info
+  std::string refresh_token;
+  std::string device_id;
+  std::string xmpp_jid;
+  LocalSettings local_settings;
+
+  // Last valid |access_token|.
+  std::string access_token;
+  base::Time access_token_update;
+
+  // Contains error if |REGISTRATION_ERROR| is set.
+  std::string error_description;
+};
+
+namespace printer_state {
+
+//
+bool SaveToFile(const base::FilePath& path, const PrinterState& state);
+
+//
+bool LoadFromFile(const base::FilePath& path, PrinterState* state);
+
+}  // namespace printer_state
+
+#endif  // CLOUD_PRINT_GCP20_PROTOTYPE_PRINTER_STATE_H_
+