Remove ScopedVector from autofill::FormStructure

ios/chrome/browser/autofill/autofill_controller_unittest.mm

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "ios/chrome/browser/autofill/autofill_controller.h"
 
 #include <memory>
 #include <vector>
 
 #include "base/guid.h"
@@ skipping 103 matching lines @@
      "</form>";
 
 // Experiment preference key.
 NSString* const kAutofillVisible = @"AutofillVisible";
 
 // FAIL if a field with the supplied |name| and |fieldType| is not present on
 // the |form|.
 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;
     }
   }
   FAIL() << "Missing field " << name;
 }
 
 // WebDataServiceConsumer for receving vectors of strings and making them
 // available to tests.
@@ skipping 443 matching lines @@
   EXPECT_EQ(base::UTF8ToUTF16("11"),
             credit_card.GetInfo(AutofillType(CREDIT_CARD_EXP_MONTH), "en-US"));
   EXPECT_EQ(
       base::UTF8ToUTF16("2999"),
       credit_card.GetInfo(AutofillType(CREDIT_CARD_EXP_4_DIGIT_YEAR), "en-US"));
 };
 
 }  // namespace
 
 }  // namespace autofill