[Sync] Remove now-obsolete FastDump class

chrome/browser/sync/engine/process_commit_response_command.h

 // Copyright (c) 2006-2009 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_BROWSER_SYNC_ENGINE_PROCESS_COMMIT_RESPONSE_COMMAND_H_
 #define CHROME_BROWSER_SYNC_ENGINE_PROCESS_COMMIT_RESPONSE_COMMAND_H_
 #pragma once
 
 #include <set>
+#include <string>
 
 #include "base/basictypes.h"
 #include "chrome/browser/sync/engine/model_changing_syncer_command.h"
 #include "chrome/browser/sync/engine/syncproto.h"
 
 namespace syncable {
 class Id;
 class WriteTransaction;
 class MutableEntry;
 }
@@ skipping 55 matching lines @@
   // stores the fields back in the client-visible (i.e. not the SERVER_* fields)
   // fields of the entry.  This should only be done if the item did not change
   // locally while the commit was in flight.
   // Helper for ProcessSuccessfulCommitResponse.
   void OverrideClientFieldsAfterCommit(
       const sync_pb::SyncEntity& committed_entry,
       const CommitResponse_EntryResponse& entry_response,
       syncable::MutableEntry* local_entry);
 
   // Helper to extract the final name from the protobufs.
-  const string& GetResultingPostCommitName(
+  const std::string& GetResultingPostCommitName(
       const sync_pb::SyncEntity& committed_entry,
       const CommitResponse_EntryResponse& entry_response);
 
   DISALLOW_COPY_AND_ASSIGN(ProcessCommitResponseCommand);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_ENGINE_PROCESS_COMMIT_RESPONSE_COMMAND_H_