[Autofill] Change MasterCard to Mastercard in UI and related tests

components/autofill/core/browser/autofill_field.cc

 // 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.
 
 #include "components/autofill/core/browser/autofill_field.h"
 
 #include <stdint.h>
 
 #include "base/command_line.h"
 #include "base/i18n/case_conversion.h"
@@ skipping 271 matching lines @@
     if (LastTwoDigitsMatch(value, field->option_values[i]) ||
         LastTwoDigitsMatch(value, field->option_contents[i])) {
       field->value = field->option_values[i];
       return true;
     }
   }
 
   return false;
 }
 
-// Try to fill a credit card type |value| (Visa, MasterCard, etc.) into the
+// Try to fill a credit card type |value| (Visa, Mastercard, etc.) into the
 // given |field|. We ignore whitespace when filling credit card types to
-// allow for cases such as "Master Card".
+// allow for cases such as "Master card".
 
 bool FillCreditCardTypeSelectControl(const base::string16& value,
                                      FormFieldData* field) {
   if (SetSelectControlValueSubstringMatch(value, /* ignore_whitespace= */ true,
                                           field)) {
     return true;
   } else if (value == l10n_util::GetStringUTF16(IDS_AUTOFILL_CC_AMEX)) {
     // For American Express, also try filling as "AmEx".
     return SetSelectControlValueSubstringMatch(
         ASCIIToUTF16("AmEx"), /* ignore_whitespace= */ true, field);
@@ skipping 456 matching lines @@
   }
   return best_match;
 }
 
 bool AutofillField::IsCreditCardPrediction() const {
   return AutofillType(server_type_).group() == CREDIT_CARD ||
          AutofillType(heuristic_type_).group() == CREDIT_CARD;
 }
 
 }  // namespace autofill