diff --git a/blink/public/mojom/choosers/file_chooser.mojom b/blink/public/mojom/choosers/file_chooser.mojom
index 22ccb9cc709f15e404f30a315cf6b3e046567676..5f7765f63f009484c19f909d7ec1bb0249648f09 100644
--- a/blink/public/mojom/choosers/file_chooser.mojom
+++ b/blink/public/mojom/choosers/file_chooser.mojom
@@ -64,6 +64,9 @@ struct FileChooserParams {
   // initiated by a document. Note that this value should be considered
   // untrustworthy since it is specified by the sandbox and not validated.
   url.mojom.Url requestor;
+
+  [EnableIf=ohos_file_upload]
+  array<mojo_base.mojom.String16> mime_types;
 };
 
 struct NativeFileInfo {