Autofill - don't prompt to unmask a credit card if the number isn't needed.

components/autofill/core/browser/autofill_manager.h

 // Copyright 2013 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_AUTOFILL_MANAGER_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_MANAGER_H_
 
 #include <list>
 #include <map>
 #include <string>
@@ skipping 242 matching lines @@
   // Gets the profile referred by |unique_id| and populates |variant|
   // based on it. Returns true if the profile exists.
   bool GetProfile(int unique_id,
                   const AutofillProfile** profile,
                   size_t* variant);
 
   // Gets the credit card referred by |unique_id| and populates |variant|
   // based on it. Returns true if the credit card exists.
   bool GetCreditCard(int unique_id, const CreditCard** credit_card);
 
+  // Determines whether a fill on |form| initiated from |field| will wind up
+  // filling a credit card number. This is useful to determine if we will need
+  // to unmask a card.
+  bool WillFillCreditCardNumber(const FormData& form,
+                                const FormFieldData& field);
+
   // Fills or previews the credit card form.
   // Assumes the form and field are valid.
   void FillOrPreviewCreditCardForm(
       AutofillDriver::RendererFormDataAction action,
       int query_id,
       const FormData& form,
       const FormFieldData& field,
       const CreditCard& credit_card,
       size_t variant);
 
@@ skipping 188 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(AutofillManagerTest,
                            AutocompleteOffRespected);
   FRIEND_TEST_ALL_PREFIXES(AutofillManagerTest,
                            AutocompleteOffRespectedWithFlag);
   DISALLOW_COPY_AND_ASSIGN(AutofillManager);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_MANAGER_H_