sync: Add ControlPreference protobuf and supporting code

sync/protocol/proto_value_conversions.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.
 
 // Keep this file in sync with the .proto files in this directory.
 
 #ifndef SYNC_PROTOCOL_PROTO_VALUE_CONVERSIONS_H_
 #define SYNC_PROTOCOL_PROTO_VALUE_CONVERSIONS_H_
 
 #include "sync/base/sync_export.h"
 
 namespace base {
 class DictionaryValue;
 }
 
 namespace sync_pb {
 class AppNotification;
 class AppNotificationSettings;
 class AppSettingSpecifics;
 class AppSpecifics;
 class AutofillProfileSpecifics;
 class AutofillSpecifics;
 class BookmarkSpecifics;
 class ClientToServerMessage;
 class ClientToServerResponse;
+class ControlPreferenceSpecifics;
 class DatatypeAssociationStats;
 class DebugEventInfo;
 class DebugInfo;
 class DeviceInfoSpecifics;
 class DeviceInformation;
 class EncryptedData;
 class EntitySpecifics;
 class EverythingDirective;
 class ExperimentsSpecifics;
 class ExtensionSettingSpecifics;
@@ skipping 97 matching lines @@
 
 SYNC_EXPORT_PRIVATE base::DictionaryValue* BookmarkSpecificsToValue(
     const sync_pb::BookmarkSpecifics& bookmark_specifics);
 
 SYNC_EXPORT_PRIVATE base::DictionaryValue* DeviceInfoSpecificsToValue(
     const sync_pb::DeviceInfoSpecifics& device_info_specifics);
 
 SYNC_EXPORT_PRIVATE base::DictionaryValue* ExperimentsSpecificsToValue(
     const sync_pb::ExperimentsSpecifics& proto);
 
+SYNC_EXPORT_PRIVATE base::DictionaryValue* ControlPreferenceSpecificsToValue(
+    const sync_pb::ControlPreferenceSpecifics& proto);
+
 SYNC_EXPORT_PRIVATE base::DictionaryValue* ExtensionSettingSpecificsToValue(
     const sync_pb::ExtensionSettingSpecifics& extension_setting_specifics);
 
 SYNC_EXPORT_PRIVATE base::DictionaryValue* ExtensionSpecificsToValue(
     const sync_pb::ExtensionSpecifics& extension_specifics);
 
 SYNC_EXPORT base::DictionaryValue* HistoryDeleteDirectiveSpecificsToValue(
     const sync_pb::HistoryDeleteDirectiveSpecifics&
         history_delete_directive_specifics);
 
@@ skipping 39 matching lines @@
 
 base::DictionaryValue* DebugInfoToValue(
     const sync_pb::DebugInfo& proto);
 
 base::DictionaryValue* SyncCycleCompletedEventInfoToValue(
     const sync_pb::SyncCycleCompletedEventInfo& proto);
 
 }  // namespace syncer
 
 #endif  // SYNC_PROTOCOL_PROTO_VALUE_CONVERSIONS_H_