Revert of Determine language code and type of format for address.

third_party/libaddressinput/chromium/cpp/src/util/string_compare.cc

+// Copyright (C) 2014 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "string_compare.h"
+
+#include <libaddressinput/util/scoped_ptr.h>
+
+#include "canonicalize_string.h"
+
+namespace i18n {
+namespace addressinput {
+
+bool LooseStringCompare(const std::string& a, const std::string& b) {
+  scoped_ptr<StringCanonicalizer> canonicalizer(StringCanonicalizer::Build());
+  return canonicalizer->CanonicalizeString(a) ==
+         canonicalizer->CanonicalizeString(b);
+}
+
+}  // namespace addressinput
+}  // namespace i18n