Use the root locale instead of the system default locale.

third_party/libaddressinput/chromium/canonicalize_string.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 "cpp/src/util/canonicalize_string.h"
 
 #include "base/logging.h"
 #include "cpp/include/libaddressinput/util/scoped_ptr.h"
+#include "third_party/icu/source/common/unicode/errorcode.h"
+#include "third_party/icu/source/common/unicode/locid.h"
+#include "third_party/icu/source/common/unicode/unistr.h"
+#include "third_party/icu/source/common/unicode/utypes.h"
 #include "third_party/icu/source/i18n/unicode/coll.h"
 
 namespace i18n {
 namespace addressinput {
 
 namespace {
 
 class ChromeStringCanonicalizer : public StringCanonicalizer {
  public:
   ChromeStringCanonicalizer()
       : error_code_(U_ZERO_ERROR),
-        collator_(icu::Collator::createInstance(error_code_)) {
+        collator_(
+            icu::Collator::createInstance(
+                icu::Locale::getRoot(), error_code_)) {
     collator_->setStrength(icu::Collator::PRIMARY);
     DCHECK(U_SUCCESS(error_code_));
   }
 
   virtual ~ChromeStringCanonicalizer() {}
 
   // StringCanonicalizer implementation.
   virtual std::string CanonicalizeString(const std::string& original) {
     // Returns a canonical version of the string that can be used for comparing
     // strings regardless of diacritics and capitalization.
@@ skipping 23 matching lines @@
 
 }  // namespace
 
 // static
 scoped_ptr<StringCanonicalizer> StringCanonicalizer::Build() {
   return scoped_ptr<StringCanonicalizer>(new ChromeStringCanonicalizer);
 }
 
 }  // namespace addressinput
 }  // namespace i18n