[Payment Request] Moves PaymentRequest into the payments namespace

ios/chrome/browser/payments/payment_request_util.mm

 // 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.
 
 #import "ios/chrome/browser/payments/payment_request_util.h"
 
 #include "base/strings/string16.h"
 #include "base/strings/string_split.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 48 matching lines @@
 
 NSString* GetEmailLabelFromAutofillProfile(
     const autofill::AutofillProfile& profile) {
   base::string16 label =
       profile.GetInfo(autofill::AutofillType(autofill::EMAIL_ADDRESS),
                       GetApplicationContext()->GetApplicationLocale());
   return !label.empty() ? base::SysUTF16ToNSString(label) : nil;
 }
 
 NSString* GetAddressNotificationLabelFromAutofillProfile(
-    PaymentRequest& payment_request,
+    payments::PaymentRequest& payment_request,
     const autofill::AutofillProfile& profile) {
   base::string16 label =
       payment_request.profile_comparator()->GetStringForMissingShippingFields(
           profile);
   return !label.empty() ? base::SysUTF16ToNSString(label) : nil;
 }
 
 NSString* GetPaymentMethodNotificationLabelFromPaymentMethod(
     payments::PaymentInstrument& payment_method,
     const std::vector<autofill::AutofillProfile*>& billing_profiles) {
   base::string16 label = payment_method.GetMissingInfoLabel();
   return !label.empty() ? base::SysUTF16ToNSString(label) : nil;
 }
 
 NSString* GetShippingSectionTitle(payments::PaymentShippingType shipping_type) {
   switch (shipping_type) {
     case payments::PaymentShippingType::SHIPPING:
       return l10n_util::GetNSString(IDS_PAYMENTS_SHIPPING_SUMMARY_LABEL);
     case payments::PaymentShippingType::DELIVERY:
       return l10n_util::GetNSString(IDS_PAYMENTS_DELIVERY_SUMMARY_LABEL);
     case payments::PaymentShippingType::PICKUP:
       return l10n_util::GetNSString(IDS_PAYMENTS_PICKUP_SUMMARY_LABEL);
     default:
       NOTREACHED();
       return nil;
   }
 }
 
 NSString* GetShippingAddressSelectorErrorMessage(
-    const PaymentRequest& payment_request) {
+    const payments::PaymentRequest& payment_request) {
   if (!payment_request.payment_details().error.empty())
     return base::SysUTF16ToNSString(payment_request.payment_details().error);
 
   switch (payment_request.shipping_type()) {
     case payments::PaymentShippingType::SHIPPING:
       return l10n_util::GetNSString(IDS_PAYMENTS_UNSUPPORTED_SHIPPING_ADDRESS);
     case payments::PaymentShippingType::DELIVERY:
       return l10n_util::GetNSString(IDS_PAYMENTS_UNSUPPORTED_DELIVERY_ADDRESS);
     case payments::PaymentShippingType::PICKUP:
       return l10n_util::GetNSString(IDS_PAYMENTS_UNSUPPORTED_PICKUP_ADDRESS);
     default:
       NOTREACHED();
       return nil;
   }
 }
 
 NSString* GetShippingOptionSelectorErrorMessage(
-    const PaymentRequest& payment_request) {
+    const payments::PaymentRequest& payment_request) {
   if (!payment_request.payment_details().error.empty())
     return base::SysUTF16ToNSString(payment_request.payment_details().error);
 
   switch (payment_request.shipping_type()) {
     case payments::PaymentShippingType::SHIPPING:
       return l10n_util::GetNSString(IDS_PAYMENTS_UNSUPPORTED_SHIPPING_OPTION);
     case payments::PaymentShippingType::DELIVERY:
       return l10n_util::GetNSString(IDS_PAYMENTS_UNSUPPORTED_DELIVERY_OPTION);
     case payments::PaymentShippingType::PICKUP:
       return l10n_util::GetNSString(IDS_PAYMENTS_UNSUPPORTED_PICKUP_OPTION);
     default:
       NOTREACHED();
       return nil;
   }
 }
 
 }  // namespace payment_request_util