[intl] Fix NumberFormat options handling spec compliance issues

src/i18n.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 // limitations under the License.
 
 #include "src/i18n.h"
 
 #include <memory>
 
 #include "src/api.h"
@@ skipping 256 matching lines @@
       }
 #endif
 
       number_format = static_cast<icu::DecimalFormat*>(
           icu::NumberFormat::createInstance(icu_locale, format_style, status));
 
       if (U_FAILURE(status)) {
         delete number_format;
         return NULL;
       }
-
-      UErrorCode status_digits = U_ZERO_ERROR;
-#if U_ICU_VERSION_MAJOR_NUM >= 59
-      uint32_t fraction_digits = ucurr_getDefaultFractionDigits(
-          icu::toUCharPtr(currency.getTerminatedBuffer()), &status_digits);
-#else
-      uint32_t fraction_digits = ucurr_getDefaultFractionDigits(
-          currency.getTerminatedBuffer(), &status_digits);
-#endif
-      if (U_SUCCESS(status_digits)) {
-        number_format->setMinimumFractionDigits(fraction_digits);
-        number_format->setMaximumFractionDigits(fraction_digits);
-      } else {
-        // Set min & max to default values (previously in i18n.js)
-        number_format->setMinimumFractionDigits(0);
-        number_format->setMaximumFractionDigits(3);
-      }
     } else if (style == UNICODE_STRING_SIMPLE("percent")) {
       number_format = static_cast<icu::DecimalFormat*>(
           icu::NumberFormat::createPercentInstance(icu_locale, status));
       if (U_FAILURE(status)) {
         delete number_format;
         return NULL;
       }
       // Make sure 1.1% doesn't go into 2%.
       number_format->setMinimumFractionDigits(1);
     } else {
@@ skipping 903 matching lines @@
   return LocaleConvertCase(s, isolate, true, "");
 }
 
 MUST_USE_RESULT Object* ConvertCase(Handle<String> s, bool is_upper,
                                     Isolate* isolate) {
   return is_upper ? ConvertToUpper(s, isolate) : ConvertToLower(s, isolate);
 }
 
 }  // namespace internal
 }  // namespace v8