Layered component for web payments

components/payments/core/currency_formatter.cc

 // Copyright 2017 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 "components/payments/currency_formatter.h"
+#include "components/payments/core/currency_formatter.h"
 
-#include <memory>
-
+#include "base/logging.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "third_party/icu/source/common/unicode/stringpiece.h"
 #include "third_party/icu/source/common/unicode/uchar.h"
-#include "third_party/icu/source/common/unicode/unistr.h"
 #include "third_party/icu/source/common/unicode/utypes.h"
 
 namespace payments {
 
 const char kIso4217CurrencySystem[] = "urn:iso:std:iso:4217";
 
 namespace {
 
 // Support a maximum of 10 fractional digits, similar to the ISO20022 standard.
 // https://www.iso20022.org/standardsrepository/public/wqt/Description/mx/dico/
@@ skipping 101 matching lines @@
   if (u_isUWhiteSpace(output[output.length() - 1])) {
     output.remove(output.length() - 1, 1);
   }
 
   std::string output_str;
   output.toUTF8String(output_str);
   return base::UTF8ToUTF16(output_str);
 }
 
 }  // namespace payments