Migrate WTF::HashMap::add() to ::insert() [final]

mojo/public/cpp/bindings/map_traits_wtf_hash_map.h

Index: mojo/public/cpp/bindings/map_traits_wtf_hash_map.h
diff --git a/mojo/public/cpp/bindings/map_traits_wtf_hash_map.h b/mojo/public/cpp/bindings/map_traits_wtf_hash_map.h
index edde377607e5807c2588b2d53b1d775580853776..dd68b3686abd6db47c5cea8f287998c8423c0f1d 100644
--- a/mojo/public/cpp/bindings/map_traits_wtf_hash_map.h
+++ b/mojo/public/cpp/bindings/map_traits_wtf_hash_map.h
@@ -52,7 +52,7 @@ struct MapTraits<WTF::HashMap<K, V>> {
       LOG(ERROR) << "The key value is disallowed by WTF::HashMap";
       return false;
     }
-    input.add(std::forward<IK>(key), std::forward<IV>(value));
+    input.insert(std::forward<IK>(key), std::forward<IV>(value));
     return true;
   }