Make invalidations work for Chrome OS Kiosk Apps.

chrome/browser/invalidation/device_invalidation_auth_provider_chromeos.h

+// Copyright (c) 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_INVALIDATION_DEVICE_INVALIDATION_AUTH_PROVIDER_CHROMEOS_H_
+#define CHROME_BROWSER_INVALIDATION_DEVICE_INVALIDATION_AUTH_PROVIDER_CHROMEOS_H_
+
+#include "base/macros.h"
+#include "chrome/browser/invalidation/invalidation_auth_provider.h"
+
+namespace chromeos {
+class DeviceOAuth2TokenService;
+}
+
+namespace invalidation {
+
+// Authentication provider implementation backed by DeviceOAuth2TokenService.
+class DeviceInvalidationAuthProvider : public InvalidationAuthProvider {
+ public:
+  DeviceInvalidationAuthProvider(
+      chromeos::DeviceOAuth2TokenService* token_service);
+  virtual ~DeviceInvalidationAuthProvider();
+
+  // InvalidationAuthProvider:
+  virtual std::string GetAccountId() OVERRIDE;
+  virtual OAuth2TokenService* GetTokenService() OVERRIDE;
+  virtual bool ShowLoginUI() OVERRIDE;
+
+ private:
+  chromeos::DeviceOAuth2TokenService* token_service_;
+
+  DISALLOW_COPY_AND_ASSIGN(DeviceInvalidationAuthProvider);
+};
+
+}  // namespace invalidation
+
+#endif  // CHROME_BROWSER_INVALIDATION_DEVICE_INVALIDATION_AUTH_PROVIDER_CHROMEOS_H_