PaymentRequest: Add support for payerName. (in blink side)

third_party/WebKit/Source/modules/payments/PaymentRequest.cpp

Index: third_party/WebKit/Source/modules/payments/PaymentRequest.cpp
diff --git a/third_party/WebKit/Source/modules/payments/PaymentRequest.cpp b/third_party/WebKit/Source/modules/payments/PaymentRequest.cpp
index 7c0d805526318bb481fd97c5967dbe8d35ebd990..65ada6c3543e7213e5f5d385d6ec30d704386017 100644
--- a/third_party/WebKit/Source/modules/payments/PaymentRequest.cpp
+++ b/third_party/WebKit/Source/modules/payments/PaymentRequest.cpp
@@ -134,6 +134,7 @@ struct TypeConverter<PaymentOptionsPtr, blink::PaymentOptions> {
     static PaymentOptionsPtr Convert(const blink::PaymentOptions& input)
     {
         PaymentOptionsPtr output = PaymentOptions::New();
+        output->request_payer_name = input.requestPayerName();
         output->request_payer_email = input.requestPayerEmail();
         output->request_payer_phone = input.requestPayerPhone();
         output->request_shipping = input.requestShipping();
@@ -612,8 +613,10 @@ void PaymentRequest::OnPaymentResponse(mojom::blink::PaymentResponsePtr response
         }
     }
 
-    if ((m_options.requestPayerEmail() && response->payer_email.isEmpty())
+    if ((m_options.requestPayerName() && response->payer_name.isEmpty())
+        || (m_options.requestPayerEmail() && response->payer_email.isEmpty())
         || (m_options.requestPayerPhone() && response->payer_phone.isEmpty())
+        || (!m_options.requestPayerName() && !response->payer_name.isNull())
         || (!m_options.requestPayerEmail() && !response->payer_email.isNull())
         || (!m_options.requestPayerPhone() && !response->payer_phone.isNull())) {
         m_showResolver->reject(DOMException::create(SyntaxError));