Sync user's custom spellcheck dictionary

sync/protocol/proto_value_conversions.h

Index: sync/protocol/proto_value_conversions.h
diff --git a/sync/protocol/proto_value_conversions.h b/sync/protocol/proto_value_conversions.h
index 9003194e9fbb4c4341b1035a9bfe6145642f20e7..f49e586a4cddbd4d8c1b251e35b4141a72156f9c 100644
--- a/sync/protocol/proto_value_conversions.h
+++ b/sync/protocol/proto_value_conversions.h
@@ -28,6 +28,7 @@ class DebugEventInfo;
 class DebugInfo;
 class DeviceInfoSpecifics;
 class DeviceInformation;
+class DictionarySpecifics;
 class EncryptedData;
 class EntitySpecifics;
 class EverythingDirective;
@@ -139,6 +140,9 @@ SYNC_EXPORT_PRIVATE base::DictionaryValue* BookmarkSpecificsToValue(
 SYNC_EXPORT_PRIVATE base::DictionaryValue* DeviceInfoSpecificsToValue(
     const sync_pb::DeviceInfoSpecifics& device_info_specifics);
 
+SYNC_EXPORT_PRIVATE base::DictionaryValue* DictionarySpecificsToValue(
+    const sync_pb::DictionarySpecifics& dictionary_specifics);
+
 SYNC_EXPORT_PRIVATE base::DictionaryValue* ExperimentsSpecificsToValue(
     const sync_pb::ExperimentsSpecifics& proto);