[Mac] Remove native/Cocoa preferences.

chrome/browser/autofill/autofill_credit_card_model_mac.h

-// Copyright (c) 2010 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_AUTOFILL_AUTOFILL_CREDIT_CARD_MODEL_MAC_
-#define CHROME_BROWSER_AUTOFILL_AUTOFILL_CREDIT_CARD_MODEL_MAC_
-#pragma once
-
-#import <Cocoa/Cocoa.h>
-
-class CreditCard;
-
-// A "model" class used with bindings mechanism and the
-// |AutoFillCreditCardViewController| to achieve the form-like view
-// of autofill data in the Chrome options UI.
-// Model objects are initialized from the given |creditCard| using the
-// designated initializer |initWithCreditCard:|.
-// Users of this class must be prepared to handle nil string return values.
-// The KVO/bindings mechanisms expect this and deal with nil string values
-// appropriately.
-@interface AutoFillCreditCardModel : NSObject {
- @private
-  // These are not scoped_nsobjects because we use them via KVO/bindings.
-  NSString* nameOnCard_;
-  NSString* creditCardNumber_;
-  NSString* expirationMonth_;
-  NSString* expirationYear_;
-}
-
-@property(nonatomic, copy) NSString* nameOnCard;
-@property(nonatomic, copy) NSString* creditCardNumber;
-@property(nonatomic, copy) NSString* expirationMonth;
-@property(nonatomic, copy) NSString* expirationYear;
-
-// Designated initializer.  Initializes the property strings to values retrieved
-// from the |creditCard| object.
-- (id)initWithCreditCard:(const CreditCard&)creditCard;
-
-// This method copies internal NSString property values into the
-// |creditCard| object's fields as appropriate.  |creditCard| should never
-// be NULL.
-- (void)copyModelToCreditCard:(CreditCard*)creditCard;
-
-@end
-
-#endif // CHROME_BROWSER_AUTOFILL_AUTOFILL_CREDIT_CARD_MODEL_MAC_