[Web Payments] Implement the CVC Unmask dialog.

components/payments/content/payment_request_dialog.h

Index: components/payments/content/payment_request_dialog.h
diff --git a/components/payments/content/payment_request_dialog.h b/components/payments/content/payment_request_dialog.h
index 8859167c9f06ef360a6513bbc571c830c2f75da2..140b8f00e07380c1335b4029aea170aa115ddf55 100644
--- a/components/payments/content/payment_request_dialog.h
+++ b/components/payments/content/payment_request_dialog.h
@@ -5,6 +5,8 @@
 #ifndef COMPONENTS_PAYMENTS_CONTENT_PAYMENT_REQUEST_DIALOG_H_
 #define COMPONENTS_PAYMENTS_CONTENT_PAYMENT_REQUEST_DIALOG_H_
 
+#include "components/autofill/core/browser/payments/full_card_request.h"
+
 namespace payments {
 
 // Used to interact with a cross-platform Payment Request dialog.
@@ -17,6 +19,9 @@ class PaymentRequestDialog {
   virtual void CloseDialog() = 0;
 
   virtual void ShowErrorMessage() = 0;
+
+  virtual base::WeakPtr<autofill::payments::FullCardRequest::UIDelegate>

[please use gerrit instead, 2017/03/30 13:14:09]

Need to include the weakptr header.

[anthonyvd, 2017/03/30 15:43:41]

Done.

+  GetFullCardRequestUIDelegate() = 0;
 };
 
 }  // namespace payments