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

components/payments/content/payment_request.cc

Index: components/payments/content/payment_request.cc
diff --git a/components/payments/content/payment_request.cc b/components/payments/content/payment_request.cc
index fba230e1d8f5c5030a324e5746139a7881a6a894..f8d0b91c0f112219d871c4ded8c907607b03567c 100644
--- a/components/payments/content/payment_request.cc
+++ b/components/payments/content/payment_request.cc
@@ -85,8 +85,9 @@ void PaymentRequest::Complete(payments::mojom::PaymentComplete result) {
 
 void PaymentRequest::CanMakePayment() {
   // TODO(crbug.com/704676): Implement a quota policy for this method.
+  // PaymentRequest.canMakePayments() never returns false in incognito mode.
   client_->OnCanMakePayment(
-      state()->CanMakePayment()
+      delegate_->IsIncognito() || state()->CanMakePayment()
           ? mojom::CanMakePaymentQueryResult::CAN_MAKE_PAYMENT
           : mojom::CanMakePaymentQueryResult::CANNOT_MAKE_PAYMENT);
 }