refactor: return-braced-init-list pt 2 of 2 (#44870)

* refactor: more return-braced-init-list, this time for v8 and gin objects

* refactor: more return-braced-init-list, this time for v8, gin, std, and base objects

shell/common/extensions/electron_extensions_api_provider.cc

@@ -49,7 +49,7 @@ base::span<const APIPermissionInfo::InitInfo> GetPermissionInfos() {
   return base::make_span(permissions_to_register);
 }
 base::span<const Alias> GetPermissionAliases() {
-  return base::span<const Alias>();
+  return {};
 }
 
 }  // namespace