[Web Payments] Add inline items to the Order Summary section.

components/payments/content/payment_request.h

 // Copyright 2016 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.
 
 #ifndef COMPONENTS_PAYMENTS_CONTENT_PAYMENT_REQUEST_H_
 #define COMPONENTS_PAYMENTS_CONTENT_PAYMENT_REQUEST_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 68 matching lines @@
 
   // Returns the CurrencyFormatter instance for this PaymentRequest.
   // |locale_name| should be the result of the browser's GetApplicationLocale().
   // Note: Having multiple currencies per PaymentRequest is not supported; hence
   // the CurrencyFormatter is cached here.
   CurrencyFormatter* GetOrCreateCurrencyFormatter(
       const std::string& currency_code,
       const std::string& currency_system,
       const std::string& locale_name);
 
+  // Uses CurrencyFormatter to format |amount| with the currency symbol for this
+  // request's currency.
+  base::string16 GetFormattedCurrencyAmount(const std::string& amount);
+
+  // Uses CurrencyFormatter to get the formatted currency code for this
+  // request's currency.
+  std::string GetFormattedCurrencyCode();
+
   // Returns the appropriate Autofill Profiles for this user. On the first
   // invocation of either getter, the profiles are fetched from the
   // PersonalDataManager; on subsequent invocations, a cached version is
   // returned. The profiles returned are owned by the request object.
   const std::vector<autofill::AutofillProfile*>& shipping_profiles() {
     return shipping_profiles_;
   }
   const std::vector<autofill::AutofillProfile*>& contact_profiles() {
     return contact_profiles_;
   }
@@ skipping 91 matching lines @@
   std::vector<std::unique_ptr<autofill::CreditCard>> card_cache_;
   std::vector<autofill::CreditCard*> credit_cards_;
   autofill::CreditCard* selected_credit_card_;
 
   DISALLOW_COPY_AND_ASSIGN(PaymentRequest);
 };
 
 }  // namespace payments
 
 #endif  // COMPONENTS_PAYMENTS_CONTENT_PAYMENT_REQUEST_H_