Supplimentary identifier for passwords specific

components/sync/core/write_node.h

Index: components/sync/core/write_node.h
diff --git a/components/sync/core/write_node.h b/components/sync/core/write_node.h
index 1c23cb3d57dc289aedbcb806a2998c49c2ce7e61..93a46c2ce9dacdc69fb03c6cb85023724399d099 100644
--- a/components/sync/core/write_node.h
+++ b/components/sync/core/write_node.h
@@ -136,6 +136,11 @@ class WriteNode : public BaseNode {
   // Should only be called if GetModelType() == PASSWORD.
   void SetPasswordSpecifics(const sync_pb::PasswordSpecificsData& specifics);
 
+  // Set the password specifics metadata.
+  // Should only be called if GetModelType() == PASSWORD.
+  void SetPasswordSpecificsMetadata(
+      const sync_pb::PasswordSpecificsMetadata& specifics);
+
   // Set the typed_url specifics (url, title, typed_count, etc).
   // Should only be called if GetModelType() == TYPED_URLS.
   void SetTypedUrlSpecifics(const sync_pb::TypedUrlSpecifics& specifics);