[Web Payments] Implement the CVC Unmask dialog.

chrome/browser/payments/chrome_payment_request_delegate.h

Index: chrome/browser/payments/chrome_payment_request_delegate.h
diff --git a/chrome/browser/payments/chrome_payment_request_delegate.h b/chrome/browser/payments/chrome_payment_request_delegate.h
index 9d955bf5ceb332195c21b7c8fe58bf34cd0ee39b..2dbb102861ecce935d07b28dd049b39532bbda4b 100644
--- a/chrome/browser/payments/chrome_payment_request_delegate.h
+++ b/chrome/browser/payments/chrome_payment_request_delegate.h
@@ -5,6 +5,8 @@
 #ifndef CHROME_BROWSER_PAYMENTS_CHROME_PAYMENT_REQUEST_DELEGATE_H_
 #define CHROME_BROWSER_PAYMENTS_CHROME_PAYMENT_REQUEST_DELEGATE_H_
 
+#include <string>

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

Only used when overriding PaymentRequestDelegate, so no need to include it in
this case.

[anthonyvd, 2017/03/30 15:43:40]

cpplint disagrees :(

+
 #include "base/macros.h"
 #include "components/payments/content/payment_request_delegate.h"
 
@@ -29,6 +31,12 @@ class ChromePaymentRequestDelegate : public PaymentRequestDelegate {
   const std::string& GetApplicationLocale() const override;
   bool IsIncognito() const override;
 
+  // AutofillPaymentInstrument::FullCardRequestDelegate:
+  void DoFullCardRequest(
+      const autofill::CreditCard& credit_card,
+      base::WeakPtr<autofill::payments::FullCardRequest::ResultDelegate>
+          result_delegate) override;
+
  protected:
   // Reference to the dialog so that we can satisfy calls to CloseDialog(). This
   // reference is invalid once CloseDialog() has been called on it, because the