Remove ScopedVector from autofill.

ios/chrome/browser/autofill/autofill_controller_unittest.mm

Index: ios/chrome/browser/autofill/autofill_controller_unittest.mm
diff --git a/ios/chrome/browser/autofill/autofill_controller_unittest.mm b/ios/chrome/browser/autofill/autofill_controller_unittest.mm
index 5942a05b0dc1d313d5880b4c6a17115bb673db8b..67c5a7a17c15b16af2f0125c907c5b55ae6f5c3c 100644
--- a/ios/chrome/browser/autofill/autofill_controller_unittest.mm
+++ b/ios/chrome/browser/autofill/autofill_controller_unittest.mm
@@ -121,7 +121,7 @@ NSString* const kAutofillVisible = @"AutofillVisible";
 void CheckField(const FormStructure& form,
                 ServerFieldType fieldType,
                 const char* name) {
-  for (const AutofillField* field : form) {
+  for (const auto& field : form) {
     if (field->heuristic_type() == fieldType) {
       EXPECT_EQ(base::UTF8ToUTF16(name), field->unique_name());
       return;