[Payment Request] Refactors edit view controller

ios/chrome/browser/ui/payments/payment_request_editor_field.h

 // Copyright 2017 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 IOS_CHROME_BROWSER_UI_PAYMENTS_PAYMENT_REQUEST_EDITOR_FIELD_H_
 #define IOS_CHROME_BROWSER_UI_PAYMENTS_PAYMENT_REQUEST_EDITOR_FIELD_H_
 
 #import <Foundation/Foundation.h>
 
 #import "ios/chrome/browser/ui/autofill/autofill_ui_type.h"
 
 @class CollectionViewItem;
 
 // Type of the editor field. i.e., text field or selector field.
 typedef NS_ENUM(NSInteger, EditorFieldType) {
   EditorFieldTypeTextField,
   EditorFieldTypeSelector,
+  EditorFieldTypeSwitch,
 };
 
 // Field definition for an editor field. Used for building the UI and
 // validation.
 @interface EditorField : NSObject
 
 // Autofill type for the field.
 @property(nonatomic, assign) AutofillUIType autofillUIType;
 // Type of the field.
 @property(nonatomic, assign) EditorFieldType fieldType;
@@ skipping 15 matching lines @@
 
 - (instancetype)initWithAutofillUIType:(AutofillUIType)autofillUIType
                              fieldType:(EditorFieldType)fieldType
                                  label:(NSString*)label
                                  value:(NSString*)value
                               required:(BOOL)required;
 
 @end
 
 #endif  // IOS_CHROME_BROWSER_UI_PAYMENTS_PAYMENT_REQUEST_EDITOR_FIELD_H_