[Payments] Desktop: never return false in incognito mode for canMakePayment

chrome/browser/ui/views/payments/payment_request_can_make_payment_browsertest.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 <vector>
 
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/views/payments/payment_request_browsertest_base.h"
 #include "components/autofill/core/browser/autofill_test_utils.h"
@@ skipping 21 matching lines @@
 IN_PROC_BROWSER_TEST_F(PaymentRequestCanMakePaymentQueryTest,
                        CanMakePayment_Supported) {
   const autofill::CreditCard card = autofill::test::GetCreditCard();  // Visa.
   AddCreditCard(card);
 
   CallCanMakePayment();
 
   ExpectBodyContains(std::vector<base::string16>{base::ASCIIToUTF16("true")});
 }
 
+// Visa is required, and user has a visa instrument, and user is in incognito
+// mode.
+IN_PROC_BROWSER_TEST_F(PaymentRequestCanMakePaymentQueryTest,
+                       CanMakePayment_Supported_Incognito) {
+  SetIncognitoForTesting();
+
+  const autofill::CreditCard card = autofill::test::GetCreditCard();  // Visa.
+  AddCreditCard(card);
+
+  CallCanMakePayment();
+
+  ExpectBodyContains(std::vector<base::string16>{base::ASCIIToUTF16("true")});
+}
+
 // Visa is required, and user doesn't have a visa instrument.
 IN_PROC_BROWSER_TEST_F(PaymentRequestCanMakePaymentQueryTest,
                        CanMakePayment_NotSupported) {
   const autofill::CreditCard card = autofill::test::GetCreditCard2();  // Amex.
   AddCreditCard(card);
 
   CallCanMakePayment();
 
   ExpectBodyContains(std::vector<base::string16>{base::ASCIIToUTF16("false")});
 }
 
+// Visa is required, and user doesn't have a visa instrument and the user is in
+// incognito mode.
+IN_PROC_BROWSER_TEST_F(PaymentRequestCanMakePaymentQueryTest,
+                       CanMakePayment_NotSupported_Incognito) {
+  SetIncognitoForTesting();
+
+  const autofill::CreditCard card = autofill::test::GetCreditCard2();  // Amex.
+  AddCreditCard(card);
+
+  CallCanMakePayment();
+
+  // Returns true because the user is in incognito mode, even though it should
+  // return false in a normal profile.
+  ExpectBodyContains(std::vector<base::string16>{base::ASCIIToUTF16("true")});
+}
+
 }  // namespace payments