[Payments] Record navigations that close the Payment Request as aborts.

components/payments/content/payment_request.h

Index: components/payments/content/payment_request.h
diff --git a/components/payments/content/payment_request.h b/components/payments/content/payment_request.h
index 4613add27328af0b17270804ab8cdfe4fca24a78..adb7826bb115b5c05566c3f669878d192ce05d0b 100644
--- a/components/payments/content/payment_request.h
+++ b/components/payments/content/payment_request.h
@@ -79,6 +79,10 @@ class PaymentRequest : public mojom::PaymentRequest,
   // OnConnectionTerminated).
   void UserCancelled();
 
+  // Called when the frame attached to this PaymentRequest is navigating away,
+  // but before the PaymentRequest is destroyed.
+  void DidStartNavigation(bool is_user_initiated);
+
   // As a result of a browser-side error or renderer-initiated mojo channel
   // closure (e.g. there was an error on the renderer side, or payment was
   // successful), this method is called. It is responsible for cleaning up,
@@ -113,6 +117,8 @@ class PaymentRequest : public mojom::PaymentRequest,
 
   JourneyLogger journey_logger_;
 
+  bool has_recorded_abort_reason_ = false;
+
   DISALLOW_COPY_AND_ASSIGN(PaymentRequest);
 };