[ios] Fixed some checkTypes errors in autofill_controller.js.

components/autofill/ios/browser/resources/autofill_controller.js

Index: components/autofill/ios/browser/resources/autofill_controller.js
diff --git a/components/autofill/ios/browser/resources/autofill_controller.js b/components/autofill/ios/browser/resources/autofill_controller.js
index 552e5cd02fbe8f8cb2a66c7544f92e6438d89c20..1a4a4dcd0adbc50745c02d4cb357f2a7b701df8d 100644
--- a/components/autofill/ios/browser/resources/autofill_controller.js
+++ b/components/autofill/ios/browser/resources/autofill_controller.js
@@ -11,9 +11,6 @@
 // (chromium/src/components/autofill/core/common/form_data.h) for further
 // processing.
 
-/* Beginning of anonymous object. */
-(function() {
-
 /** @typedef {HTMLInputElement|HTMLTextAreaElement|HTMLSelectElement} */
 var FormControlElement;
 
@@ -46,6 +43,9 @@ var AutofillFormFieldData;
   */
 var AutofillFormData;
 
+/* Beginning of anonymous object. */
+(function() {
+
 /**
  * Namespace for this file. It depends on |__gCrWeb| having already been
  * injected.