Remove autocheckout code.

components/autofill/core/browser/autofill_merge_unittest.cc

Index: components/autofill/core/browser/autofill_merge_unittest.cc
diff --git a/components/autofill/core/browser/autofill_merge_unittest.cc b/components/autofill/core/browser/autofill_merge_unittest.cc
index e007a59d9054fb614fd39c19049f7e0d79f628b6..37a5a87ae88b2aab891bbb972df7eef2a128f4ac 100644
--- a/components/autofill/core/browser/autofill_merge_unittest.cc
+++ b/components/autofill/core/browser/autofill_merge_unittest.cc
@@ -213,7 +213,7 @@ void AutofillMergeTest::MergeProfiles(const std::string& profiles,
     // followed by an explicit separator.
     if ((i > 0 && line == kProfileSeparator) || i == lines.size() - 1) {
       // Reached the end of a profile.  Try to import it.
-      FormStructure form_structure(form, std::string());
+      FormStructure form_structure(form);
       for (size_t i = 0; i < form_structure.field_count(); ++i) {
         // Set the heuristic type for each field, which is currently serialized
         // into the field's name.