Backed out 7 changesets (bug 1870226) for causing build bustages. CLOSED TREE

Backed out changeset 619244623dba (bug 1870226)
Backed out changeset e85a5647cae4 (bug 1870226)
Backed out changeset 21ea9baf83ea (bug 1870226)
Backed out changeset a506c0f0ce28 (bug 1870226)
Backed out changeset 77c78201a206 (bug 1870226)
Backed out changeset 7a98dfef087f (bug 1870226)
Backed out changeset f64ad89c2406 (bug 1870226)

browser/components/pagedata/PageDataSchema.sys.mjs

@@ -44,8 +44,6 @@ let SCHEMAS = new Map();
  *
  * @param {string} schemaName
  *   The name of the schema to load.
- * @returns {object}
- *   The loaded schema.
  */
 async function loadSchema(schemaName) {
   if (SCHEMAS.has(schemaName)) {
@@ -133,7 +131,7 @@ export const PageDataSchema = {
       throw new Error(`Unknown data type ${type}`);
     }
 
-    await validateData(name, data);
+    return validateData(name, data);
   },
 
   /**