sync: Remove IDs from OrderedCommitSet

sync/engine/process_commit_response_command.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 SYNC_ENGINE_PROCESS_COMMIT_RESPONSE_COMMAND_H_
 #define SYNC_ENGINE_PROCESS_COMMIT_RESPONSE_COMMAND_H_
 
 #include <set>
 #include <string>
 
@@ skipping 52 matching lines @@
   virtual std::set<ModelSafeGroup> GetGroupsToChange(
       const sessions::SyncSession& session) const OVERRIDE;
   virtual SyncerError ModelChangingExecuteImpl(
       sessions::SyncSession* session) OVERRIDE;
 
  private:
   sync_pb::CommitResponse::ResponseType ProcessSingleCommitResponse(
       syncable::WriteTransaction* trans,
       const sync_pb::CommitResponse_EntryResponse& pb_commit_response,
       const sync_pb::SyncEntity& pb_committed_entry,
-      const syncable::Id& pre_commit_id,
+      int64 metahandle,
       std::set<syncable::Id>* deleted_folders);
 
   void ProcessSuccessfulCommitResponse(
       const sync_pb::SyncEntity& committed_entry,
       const sync_pb::CommitResponse_EntryResponse& entry_response,
       const syncable::Id& pre_commit_id, syncable::MutableEntry* local_entry,
       bool syncing_was_set, std::set<syncable::Id>* deleted_folders);
 
   // Update the BASE_VERSION and SERVER_VERSION, post-commit.
   // Helper for ProcessSuccessfulCommitResponse.
@@ skipping 41 matching lines @@
   const sessions::OrderedCommitSet& commit_set_;
   const sync_pb::ClientToServerMessage& commit_message_;
   const sync_pb::ClientToServerResponse& commit_response_;
 
   DISALLOW_COPY_AND_ASSIGN(ProcessCommitResponseCommand);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_ENGINE_PROCESS_COMMIT_RESPONSE_COMMAND_H_