[Sync] Parse and save per-data type throttle data

chrome/browser/sync/protocol/sync_protocol_error.h

 // Copyright (c) 2011 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_PROTOCOL_SYNC_PROTOCOL_ERROR_H_
 #define CHROME_BROWSER_SYNC_PROTOCOL_SYNC_PROTOCOL_ERROR_H_
 #pragma once
 
 #include <string>
 
 #include "base/values.h"
+#include "chrome/browser/sync/syncable/model_type.h"
 
 namespace browser_sync{
 
 enum SyncProtocolErrorType {
   // Success case.
   SYNC_SUCCESS,
 
   // Birthday does not match that of the server.
   NOT_MY_BIRTHDAY,
 
@@ skipping 39 matching lines @@
 
   // The default. No action.
   UNKNOWN_ACTION
 };
 
 struct SyncProtocolError {
   SyncProtocolErrorType error_type;
   std::string error_description;
   std::string url;
   ClientAction action;
+  syncable::ModelTypeSet throttled_types;
   SyncProtocolError();
   ~SyncProtocolError();
   DictionaryValue* ToValue() const;
 };
 
 const char* GetSyncErrorTypeString(SyncProtocolErrorType type);
 const char* GetClientActionString(ClientAction action);
 }  // namespace browser_sync
 #endif  // CHROME_BROWSER_SYNC_PROTOCOL_SYNC_PROTOCOL_ERROR_H_