Remove ScopedVector from autofill.

ios/chrome/browser/autofill/form_structure_browsertest.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.
 
 #include <vector>
 
 #include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
 #include "base/mac/foundation_util.h"
 #include "base/memory/ptr_util.h"
@@ skipping 113 matching lines @@
   ASSERT_NE(nullptr, autofill_manager);
   const std::vector<std::unique_ptr<FormStructure>>& forms =
       autofill_manager->form_structures_;
   *output = FormStructureBrowserTest::FormStructuresToString(forms);
 }
 
 std::string FormStructureBrowserTest::FormStructuresToString(
     const std::vector<std::unique_ptr<FormStructure>>& forms) {
   std::string forms_string;
   for (const std::unique_ptr<FormStructure>& form : forms) {
-    for (const AutofillField* field : *form) {
+    for (const auto& field : *form) {
       forms_string += field->Type().ToString();
       forms_string += " | " + base::UTF16ToUTF8(field->name);
       forms_string += " | " + base::UTF16ToUTF8(field->label);
       forms_string += " | " + base::UTF16ToUTF8(field->value);
       forms_string += " | " + field->section();
       forms_string += "\n";
     }
   }
   return forms_string;
 }
 
 // Disabled because the tests don't pass yet: http://crbug.com/427614
 // Disabled because the tests crash flakily: http://crbug.com/464383
 TEST_P(FormStructureBrowserTest, DISABLED_DataDrivenHeuristics) {
   RunOneDataDrivenTest(GetParam(), GetOutputDirectory(kTestName));
 }
 
 INSTANTIATE_TEST_CASE_P(AllForms,
                         FormStructureBrowserTest,
                         testing::ValuesIn(GetTestFiles()));
 
 }  // namespace autofill