Fix build with ICU >= 68.

Adapted from:
https://chromium-review.googlesource.com/c/v8/v8/+/2477751

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>

Author: jameshilliard

deps/v8/src/objects/js-list-format.cc

@@ -29,6 +29,7 @@ namespace v8 {
 namespace internal {
 
 namespace {
+#if U_ICU_VERSION_MAJOR_NUM < 68
 const char* kStandard = "standard";
 const char* kOr = "or";
 const char* kUnit = "unit";
@@ -41,8 +42,24 @@ const char* kUnitNarrow = "unit-narrow";
 
 const char* GetIcuStyleString(JSListFormat::Style style,
                               JSListFormat::Type type) {
+#else
+UListFormatterWidth GetIcuWidth(JSListFormat::Style style) {
+  switch (style) {
+    case JSListFormat::Style::LONG:
+      return ULISTFMT_WIDTH_WIDE;
+    case JSListFormat::Style::SHORT:
+      return ULISTFMT_WIDTH_SHORT;
+    case JSListFormat::Style::NARROW:
+      return ULISTFMT_WIDTH_NARROW;
+  }
+  UNREACHABLE();
+}
+
+UListFormatterType GetIcuType(JSListFormat::Type type) {
+#endif
   switch (type) {
     case JSListFormat::Type::CONJUNCTION:
+#if U_ICU_VERSION_MAJOR_NUM < 68
       switch (style) {
         case JSListFormat::Style::LONG:
           return kStandard;
@@ -51,7 +68,11 @@ const char* GetIcuStyleString(JSListFormat::Style style,
         case JSListFormat::Style::NARROW:
           return kStandardNarrow;
       }
+#else
+      return ULISTFMT_TYPE_AND;
+#endif
     case JSListFormat::Type::DISJUNCTION:
+#if U_ICU_VERSION_MAJOR_NUM < 68
       switch (style) {
         case JSListFormat::Style::LONG:
           return kOr;
@@ -60,7 +81,11 @@ const char* GetIcuStyleString(JSListFormat::Style style,
         case JSListFormat::Style::NARROW:
           return kOrNarrow;
       }
+#else
+      return ULISTFMT_TYPE_OR;
+#endif
     case JSListFormat::Type::UNIT:
+#if U_ICU_VERSION_MAJOR_NUM < 68
       switch (style) {
         case JSListFormat::Style::LONG:
           return kUnit;
@@ -69,6 +94,9 @@ const char* GetIcuStyleString(JSListFormat::Style style,
         case JSListFormat::Style::NARROW:
           return kUnitNarrow;
       }
+#else
+      return ULISTFMT_TYPE_UNITS;
+#endif
   }
   UNREACHABLE();
 }
@@ -170,7 +198,11 @@ MaybeHandle<JSListFormat> JSListFormat::New(Isolate* isolate, Handle<Map> map,
   icu::Locale icu_locale = r.icu_locale;
   UErrorCode status = U_ZERO_ERROR;
   icu::ListFormatter* formatter = icu::ListFormatter::createInstance(
+#if U_ICU_VERSION_MAJOR_NUM < 68
       icu_locale, GetIcuStyleString(style_enum, type_enum), status);
+#else
+      icu_locale, GetIcuType(type_enum), GetIcuWidth(style_enum), status);
+#endif
   if (U_FAILURE(status)) {
     delete formatter;
     FATAL("Failed to create ICU list formatter, are ICU data files missing?");