Setup Sync to use OAuth token for managed users.

chrome/browser/sync/glue/dummy_invalidator.h

+// Copyright (c) 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_SYNC_GLUE_DUMMY_INVALIDATOR_H_
+#define CHROME_BROWSER_SYNC_GLUE_DUMMY_INVALIDATOR_H_
+
+#include "sync/notifier/invalidator.h"
+
+// A fake invalidator that does nothing, and stays in a "transient" error state.
+// This is useful for cases where we know that invalidations won't work, but
+// still want to keep Sync running without them
+class DummyInvalidator : public syncer::Invalidator {
+ public:
+  DummyInvalidator();
+  virtual ~DummyInvalidator();
+
+  virtual void RegisterHandler(syncer::InvalidationHandler* handler) OVERRIDE;
+  virtual void UpdateRegisteredIds(syncer::InvalidationHandler* handler,
+                                   const syncer::ObjectIdSet& ids) OVERRIDE;
+  virtual void UnregisterHandler(syncer::InvalidationHandler* handler) OVERRIDE;
+  virtual void Acknowledge(const invalidation::ObjectId& id,
+                           const syncer::AckHandle& ack_handle) OVERRIDE;
+  virtual syncer::InvalidatorState GetInvalidatorState() const OVERRIDE;
+  virtual void UpdateCredentials(
+      const std::string& email, const std::string& token) OVERRIDE;
+  virtual void SendInvalidation(
+      const syncer::ObjectIdInvalidationMap& invalidation_map) OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DummyInvalidator);
+};
+
+#endif  // CHROME_BROWSER_SYNC_GLUE_DUMMY_INVALIDATOR_H_