Add risk data to getrealpan request.

components/autofill/core/browser/card_unmask_delegate.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_CARD_UNMASK_DELEGATE_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_CARD_UNMASK_DELEGATE_H_
 
+#include <string>
+
 #include "base/strings/string16.h"
 
 namespace autofill {
 
 class CardUnmaskDelegate {
  public:
+  struct UnmaskResponse {
+    UnmaskResponse();
+    ~UnmaskResponse();
+
+    // User input data.
+    base::string16 cvc;
+    base::string16 exp_month;
+    base::string16 exp_year;
+
+    // Risk fingerprint.
+    std::string risk_data;
+  };
+
   // Called when the user has attempted a verification. Prompt is still
   // open at this point.
-  virtual void OnUnmaskResponse(const base::string16& cvc,
-                                const base::string16& exp_month,
-                                const base::string16& exp_year) = 0;
+  virtual void OnUnmaskResponse(const UnmaskResponse& response) = 0;
 
   // Called when the unmask prompt is closed (e.g., cancelled).
   virtual void OnUnmaskPromptClosed() = 0;
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_CARD_UNMASK_DELEGATE_H_