[Autofill] Split off AutofillDataModel as a subclass of FormData.

components/autofill/browser/webdata/autofill_table_unittest.cc

 // Copyright (c) 2012 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/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/guid.h"
 #include "base/path_service.h"
+#include "base/string_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "components/autofill/browser/autofill_profile.h"
 #include "components/autofill/browser/autofill_type.h"
 #include "components/autofill/browser/credit_card.h"
 #include "components/autofill/browser/webdata/autofill_change.h"
 #include "components/autofill/browser/webdata/autofill_entry.h"
 #include "components/autofill/browser/webdata/autofill_table.h"
 #include "components/autofill/common/form_field_data.h"
@@ skipping 1302 matching lines @@
   ASSERT_EQ(expected_entries.size(), entry_set.size());
   AutofillEntrySetIterator it;
   for (it = entry_set.begin(); it != entry_set.end(); it++) {
     expected_entries.erase(*it);
   }
 
   EXPECT_EQ(0U, expected_entries.size());
 }
 
 }  // namespace autofill