Revert of [Sync] Make directory types registration explicit in ModelTypeRegistry

components/sync/engine_impl/cycle/sync_cycle_context.h

 // Copyright 2012 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_ENGINE_IMPL_CYCLE_SYNC_CYCLE_CONTEXT_H_
 #define COMPONENTS_SYNC_ENGINE_IMPL_CYCLE_SYNC_CYCLE_CONTEXT_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 38 matching lines @@
                    bool client_enabled_pre_commit_update_avoidance,
                    const std::string& invalidator_client_id);
 
   ~SyncCycleContext();
 
   ServerConnectionManager* connection_manager() { return connection_manager_; }
   syncable::Directory* directory() { return directory_; }
 
   ModelTypeSet GetEnabledTypes() const;
 
+  void SetRoutingInfo(const ModelSafeRoutingInfo& routing_info);
+
   ExtensionsActivity* extensions_activity() {
     return extensions_activity_.get();
   }
 
   DebugInfoGetter* debug_info_getter() { return debug_info_getter_; }
 
   // Talk notification status.
   void set_notifications_enabled(bool enabled) {
     notifications_enabled_ = enabled;
   }
@@ skipping 103 matching lines @@
 
   // If there's a cookie jar mismatch, whether the cookie jar was empty or not.
   bool cookie_jar_empty_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncCycleContext);
 };
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_ENGINE_IMPL_CYCLE_SYNC_CYCLE_CONTEXT_H_