[Sync] SyncEngine 1.5: Fix all backend references in PSS.

components/sync/driver/glue/sync_backend_host_core.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 COMPONENTS_SYNC_DRIVER_GLUE_SYNC_BACKEND_HOST_CORE_H_
 #define COMPONENTS_SYNC_DRIVER_GLUE_SYNC_BACKEND_HOST_CORE_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 273 matching lines @@
   // The timer used to periodically call SaveChanges.
   std::unique_ptr<base::RepeatingTimer> save_changes_timer_;
 
   // Our encryptor, which uses Chrome's encryption functions.
   SystemEncryptor encryptor_;
 
   // The top-level syncapi entry point.  Lives on the sync thread.
   std::unique_ptr<SyncManager> sync_manager_;
 
   // Temporary holder of sync manager's initialization results. Set by
-  // OnInitializeComplete, and consumed when we pass it via OnBackendInitialized
+  // OnInitializeComplete, and consumed when we pass it via OnEngineInitialized
   // in the final state of HandleInitializationSuccessOnFrontendLoop.
   WeakHandle<JsBackend> js_backend_;
   WeakHandle<DataTypeDebugInfoListener> debug_info_listener_;
 
   // These signals allow us to send requests to shut down the HttpBridgeFactory
   // and ServerConnectionManager without having to wait for those classes to
   // finish initializing first.
   //
   // See comments in SyncBackendHostCore::ShutdownOnUIThread() for more details.
   CancelationSignal release_request_context_signal_;
@@ skipping 15 matching lines @@
   base::ThreadChecker thread_checker_;
 
   base::WeakPtrFactory<SyncBackendHostCore> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncBackendHostCore);
 };
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_DRIVER_GLUE_SYNC_BACKEND_HOST_CORE_H_