Revert of Sync: Refactoring of DEVICE_INFO syncable type - Part 1

components/sync_driver/sync_frontend.h

 // Copyright 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 COMPONENTS_SYNC_DRIVER_SYNC_FRONTEND_H_
 #define COMPONENTS_SYNC_DRIVER_SYNC_FRONTEND_H_
 
 #include "base/basictypes.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/internal_api/public/sync_encryption_handler.h"
@@ skipping 30 matching lines @@
   // accept and process changes.  If success is false, initialization
   // wasn't able to be completed and should be retried.
   //
   // |js_backend| is what about:sync interacts with; it's different
   // from the 'Backend' in 'OnBackendInitialized' (unfortunately).  It
   // is initialized only if |success| is true.
   virtual void OnBackendInitialized(
       const syncer::WeakHandle<syncer::JsBackend>& js_backend,
       const syncer::WeakHandle<syncer::DataTypeDebugInfoListener>&
           debug_info_listener,
-      const std::string& cache_guid,
       bool success) = 0;
 
   // The backend queried the server recently and received some updates.
   virtual void OnSyncCycleCompleted() = 0;
 
   // Configure ran into some kind of error. But it is scheduled to be
   // retried.
   virtual void OnSyncConfigureRetry() = 0;
 
   // Informs the frontned of some network event.  These notifications are
@@ skipping 74 matching lines @@
   virtual void OnExperimentsChanged(
       const syncer::Experiments& experiments) = 0;
 
   // Called when the sync cycle returns there is an user actionable error.
   virtual void OnActionableError(const syncer::SyncProtocolError& error) = 0;
 };
 
 }  // namespace browser_sync
 
 #endif  // COMPONENTS_SYNC_DRIVER_SYNC_FRONTEND_H_