Make invalidations work for Chrome OS Kiosk Apps.

chrome/browser/invalidation/invalidation_service.h

 // 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 CHROME_BROWSER_INVALIDATION_INVALIDATION_SERVICE_H_
 #define CHROME_BROWSER_INVALIDATION_INVALIDATION_SERVICE_H_
 
 #include "components/browser_context_keyed_service/browser_context_keyed_service.h"
 #include "sync/notifier/invalidation_util.h"
 #include "sync/notifier/invalidator_state.h"
 
 namespace syncer {
 class InvalidationHandler;
 }  // namespace syncer
 
 namespace invalidation {
+class InvalidationAuthProvider;
 class InvalidationLogger;
 
 // Interface for classes that handle invalidation registrations and send out
 // invalidations to register handlers.
 //
 // Invalidation clients should follow the pattern below:
 //
 // When starting the client:
 //
 //   frontend->RegisterInvalidationHandler(client_handler);
@@ skipping 69 matching lines @@
   // the updated state.
   virtual syncer::InvalidatorState GetInvalidatorState() const = 0;
 
   // Returns the ID belonging to this invalidation client.  Can be used to
   // prevent the receipt of notifications of our own changes.
   virtual std::string GetInvalidatorClientId() const = 0;
 
   // Return the logger used to debug invalidations
   virtual InvalidationLogger* GetInvalidationLogger() = 0;
 
+  // Returns the authentication provider.
+  virtual InvalidationAuthProvider* GetInvalidationAuthProvider() = 0;
+
  protected:
   virtual ~InvalidationService() { }
 };
 
 }  // namespace invalidation
 
 #endif  // CHROME_BROWSER_INVALIDATION_INVALIDATION_SERVICE_H_