Use upstream libaddressinput in Chrome.

third_party/libaddressinput/chromium/string_compare_unittest.cc

+// Copyright 2014 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 "third_party/libaddressinput/src/cpp/src/util/string_compare.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+TEST(ChromeStringCompareTest, IgnoreDiacritics) {
+  i18n::addressinput::StringCompare sc;
+  EXPECT_TRUE(sc.NaturalEquals("Texas", "T\u00E9xas"));
+}
+
+TEST(ChromeStringCompareTest, IgnoreCapitalization) {
+  i18n::addressinput::StringCompare sc;
+  EXPECT_TRUE(sc.NaturalEquals("Texas", "teXas"));
+}
+
+TEST(ChromeStringCompareTest, DifferentStringAreDifferent) {
+  i18n::addressinput::StringCompare sc;
+  EXPECT_FALSE(sc.NaturalEquals("Texas", "California"));
+}
+
+}  // namespace