[Payment Request] keyboardType, autoCapitalizationType, etc for text fields

ios/chrome/browser/ui/payments/credit_card_edit_mediator.mm

 // 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.
 
 #import "ios/chrome/browser/ui/payments/credit_card_edit_mediator.h"
 
 #include "base/strings/sys_string_conversions.h"
 #include "components/autofill/core/browser/autofill_data_util.h"
 #include "components/autofill/core/browser/autofill_profile.h"
 #include "components/autofill/core/browser/credit_card.h"
@@ skipping 239 matching lines @@
                   : nil;
   fieldKey = [NSNumber numberWithInt:AutofillUITypeCreditCardNumber];
   EditorField* creditCardNumberField = self.fieldsMap[fieldKey];
   if (!creditCardNumberField) {
     creditCardNumberField = [[EditorField alloc]
         initWithAutofillUIType:AutofillUITypeCreditCardNumber
                      fieldType:EditorFieldTypeTextField
                          label:l10n_util::GetNSString(IDS_PAYMENTS_CARD_NUMBER)
                          value:creditCardNumber
                       required:YES];
+    creditCardNumberField.keyboardType = UIKeyboardTypeNumberPad;
     [self.fieldsMap setObject:creditCardNumberField forKey:fieldKey];
   }
   [fields addObject:creditCardNumberField];
 
   // Card holder name field.
   NSString* creditCardName =
       _creditCard
           ? autofill::GetCreditCardName(
                 *_creditCard, GetApplicationContext()->GetApplicationLocale())
           : nil;
@@ skipping 55 matching lines @@
                          value:@"YES"
                       required:YES];
     [self.fieldsMap setObject:saveToChromeField forKey:fieldKey];
   }
   [fields addObject:saveToChromeField];
 
   return fields;
 }
 
 @end