Do not use \u unicode characters directly in libaddressinput unit tests.

third_party/libaddressinput/chromium/chrome_address_validator_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/chromium/chrome_address_validator.h"
 
 #include <cstddef>
 #include <string>
 #include <vector>
 
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
+#include "base/strings/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_data.h"
 #include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_problem.h"
 #include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_ui.h"
 #include "third_party/libaddressinput/src/cpp/include/libaddressinput/downloader.h"
 #include "third_party/libaddressinput/src/cpp/include/libaddressinput/null_storage.h"
 #include "third_party/libaddressinput/src/cpp/include/libaddressinput/storage.h"
 #include "third_party/libaddressinput/src/cpp/test/fake_downloader.h"
 
 namespace autofill {
@@ skipping 217 matching lines @@
   EXPECT_TRUE(problems.empty());
 
   // Ignore capitalization.
   address.administrative_area = "teXas";
   problems.clear();
   EXPECT_EQ(AddressValidator::SUCCESS,
             validator_->ValidateAddress(address, NULL, &problems));
   EXPECT_TRUE(problems.empty());
 
   // Ignore diacriticals.
-  address.administrative_area = "T\u00E9xas";
+  address.administrative_area = base::WideToUTF8(L"T\u00E9xas");
   problems.clear();
   EXPECT_EQ(AddressValidator::SUCCESS,
             validator_->ValidateAddress(address, NULL, &problems));
   EXPECT_TRUE(problems.empty());
 }
 
 TEST_F(AddressValidatorTest, BasicValidationFailure) {
   // US rules should always be available, even though this load call fails.
   validator_->LoadRules("US");
   AddressData address;
@@ skipping 624 matching lines @@
   downloader_->set_failures_number(99);
   validator_->LoadRules("CH");
   validator_->LoadRules("GB");
   base::RunLoop().RunUntilIdle();
 
   EXPECT_FALSE(load_rules_success_);
   EXPECT_EQ(16, downloader_->attempts_number());
 }
 
 }  // namespace autofill