[rac] Show amex specific cvc hint

chrome/browser/ui/autofill/autofill_dialog_view_delegate.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 CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_VIEW_DELEGATE_H_
 #define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_VIEW_DELEGATE_H_
 
 #include <vector>
 
 #include "base/strings/string16.h"
@@ skipping 106 matching lines @@
   virtual SuggestionState SuggestionStateForSection(DialogSection section) = 0;
 
   // Should be called when the user starts editing of the section.
   virtual void EditClickedForSection(DialogSection section) = 0;
 
   // Returns an icon to be displayed along with the input for the given type.
   // |user_input| is the current text in the textfield.
   virtual gfx::Image IconForField(ServerFieldType type,
                                   const string16& user_input) const = 0;
 
+  // Returns true if the icon of this field type |depdendent_type| depends on
+  // the value of another field. For example, returns true for CVC, because CVC
+  // hint images depend on credit card type.
+  virtual bool IsIconDependentField(ServerFieldType dependent_type) const = 0;
+
+  // Returns true if the value of this field type |dependency_type| controls the
+  // icon of another field. Sets |dependent_type| to the type of the dependent
+  // field. For example, returns true for credit card number, because some
+  // credit card types have different CVC hint images.
+  virtual bool IsIconDependencyField(ServerFieldType dependency_type,
+                                     ServerFieldType* dependent_type) const = 0;
+
   // Decides whether input of |value| is valid for a field of type |type|. If
   // valid, the returned string will be empty. Otherwise it will contain an
   // error message.
   virtual string16 InputValidityMessage(DialogSection section,
                                         ServerFieldType type,
                                         const string16& value) = 0;
 
 
   // Decides whether the combination of all |inputs| is valid, returns a
   // map of field types to error strings.
@@ skipping 58 matching lines @@
   // The web contents that prompted the dialog.
   virtual content::WebContents* GetWebContents() = 0;
 
  protected:
   virtual ~AutofillDialogViewDelegate();
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_VIEW_DELEGATE_H_