PaymentRequest: Make the PaymentResponse interface serializable.

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

Index: third_party/WebKit/Source/modules/payments/PaymentAddress.cpp
diff --git a/third_party/WebKit/Source/modules/payments/PaymentAddress.cpp b/third_party/WebKit/Source/modules/payments/PaymentAddress.cpp
index fea61124fe053db5ece1068b381675bf26e49f04..ded6d4c01c834fd31e4527257997b09a8ea722c6 100644
--- a/third_party/WebKit/Source/modules/payments/PaymentAddress.cpp
+++ b/third_party/WebKit/Source/modules/payments/PaymentAddress.cpp
@@ -4,6 +4,7 @@
 
 #include "modules/payments/PaymentAddress.h"
 
+#include "bindings/core/v8/V8ObjectBuilder.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
@@ -33,4 +34,21 @@ PaymentAddress::PaymentAddress(mojom::blink::PaymentAddressPtr address)
 
 PaymentAddress::~PaymentAddress() {}
 
+ScriptValue PaymentAddress::toJSONForBinding(ScriptState* scriptState) const
+{
+    V8ObjectBuilder result(scriptState);
+    result.addString("country", country());
+    result.add("addressLine", addressLine());
+    result.addString("region", region());
+    result.addString("city", city());
+    result.addString("dependentLocality", dependentLocality());
+    result.addString("postalCode", postalCode());
+    result.addString("sortingCode", sortingCode());
+    result.addString("languageCode", languageCode());
+    result.addString("organization", organization());
+    result.addString("recipient", recipient());
+    result.addString("phone", phone());
+    return result.scriptValue();
+}
+
 } // namespace blink