Bug 1551929. Mark some storage interfaces builtinclass, since we assume there are no JS implementations already. r=asuth

Differential Revision: https://phabricator.services.mozilla.com/D31342

--HG--
extra : moz-landing-system : lando

storage/mozIStorageAsyncStatement.idl

@@ -16,7 +16,7 @@
  * consequently can cause the main thread to lock for extended intervals while
  * the asynchronous thread performs some long-running operation.
  */
-[scriptable, uuid(52e49370-3b2e-4a27-a3fc-79e20ad4056b)]
+[scriptable, builtinclass, uuid(52e49370-3b2e-4a27-a3fc-79e20ad4056b)]
 interface mozIStorageAsyncStatement : mozIStorageBaseStatement {
   /*
    * 'params' provides a magic JS helper that lets you assign parameters by

storage/mozIStorageBaseStatement.idl

@@ -19,7 +19,7 @@ interface mozIStorageBindingParamsArray;
  * (mozIStorageStatement) that can be used for both synchronous and asynchronous
  * purposes.
  */
-[scriptable, uuid(16ca67aa-1325-43e2-aac7-859afd1590b2)]
+[scriptable, builtinclass, uuid(16ca67aa-1325-43e2-aac7-859afd1590b2)]
 interface mozIStorageBaseStatement : mozIStorageBindingParams {
   /**
    * Finalizes a statement so you can successfully close a database connection.

storage/mozIStorageStatement.idl

@@ -15,7 +15,7 @@
  * A SQL statement that can be used for both synchronous and asynchronous
  * purposes.
  */
-[scriptable, uuid(5f567c35-6c32-4140-828c-683ea49cfd3a)]
+[scriptable, builtinclass, uuid(5f567c35-6c32-4140-828c-683ea49cfd3a)]
 interface mozIStorageStatement : mozIStorageBaseStatement {
   /**
    * Create a clone of this statement, by initializing a new statement