Handle birthday errors by disabling sync and deleting sync data.

chrome/test/sync/engine/syncer_command_test.h

 // Copyright (c) 2010 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_TEST_SYNC_ENGINE_SYNCER_COMMAND_TEST_H_
 #define CHROME_TEST_SYNC_ENGINE_SYNCER_COMMAND_TEST_H_
 
 #include <vector>
 
 #include "chrome/browser/sync/engine/model_safe_worker.h"
@@ skipping 26 matching lines @@
     return false;
   }
   virtual void OnReceivedLongPollIntervalUpdate(
       const base::TimeDelta& new_interval) {
     FAIL() << "Should not get poll interval update.";
   }
   virtual void OnReceivedShortPollIntervalUpdate(
       const base::TimeDelta& new_interval) {
     FAIL() << "Should not get poll interval update.";
   }
+  virtual void OnShouldStopSyncingPermanently() {
+    FAIL() << "Shouldn't be forced to stop syncing.";
+  }
 
   // ModelSafeWorkerRegistrar implementation.
   virtual void GetWorkers(std::vector<ModelSafeWorker*>* out) {
     std::vector<scoped_refptr<ModelSafeWorker> >::iterator it;
     for (it = workers_.begin(); it != workers_.end(); ++it)
       out->push_back(*it);
   }
   virtual void GetModelSafeRoutingInfo(ModelSafeRoutingInfo* out) {
     ModelSafeRoutingInfo copy(routing_info_);
     out->swap(copy);
@@ skipping 73 matching lines @@
       : SyncerCommandTestWithParam<void*>(
           SyncerCommandTestWithParam<void*>::USE_MOCK_DIRECTORY) {}
   MockDirectorySetterUpper::MockDirectory* mock_directory() {
     return static_cast<MockDirectorySetterUpper*>(syncdb())->directory();
   }
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_TEST_SYNC_ENGINE_SYNCER_COMMAND_TEST_H_