Implement request id in PaymentDetailsInit

chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentResponseHelper.java

Index: chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentResponseHelper.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentResponseHelper.java b/chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentResponseHelper.java
index 413cb26bbe2edb3befa476ef995a5796b0ad3f4e..30ef1c137fde2f7324424bfac0f93dc9dd5c2da9 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentResponseHelper.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentResponseHelper.java
@@ -40,11 +40,13 @@ public class PaymentResponseHelper implements NormalizedAddressRequestDelegate {
      * @param selectedContact         The contact info picked by the user.
      * @param delegate                The object that will recieve the completed PaymentResponse.
      */
-    public PaymentResponseHelper(PaymentOption selectedShippingAddress,
+    public PaymentResponseHelper(String requestId, PaymentOption selectedShippingAddress,

[please use gerrit instead, 2017/03/27 16:22:36]

No need.

[rwlbuis, 2017/03/27 20:45:29]

Done.

             PaymentOption selectedShippingOption, PaymentOption selectedContact,
             PaymentResponseRequesterDelegate delegate) {
         mPaymentResponse = new PaymentResponse();
 
+        mPaymentResponse.requestId = requestId;

[please use gerrit instead, 2017/03/27 16:22:36]

No need.

[rwlbuis, 2017/03/27 20:45:29]

Done.

+
         mDelegate = delegate;
 
         // Set up the contact section of the response.