Change getRange to sublist. Make getRange deprecated.

tests/corelib/string_codeunits_test.dart

Index: tests/corelib/string_codeunits_test.dart
diff --git a/tests/corelib/string_codeunits_test.dart b/tests/corelib/string_codeunits_test.dart
index ac6eb97c5cf0efa8cb9899f913573f679bd112fc..28b9df4edf612414893911aea54fdd5718bbd257 100644
--- a/tests/corelib/string_codeunits_test.dart
+++ b/tests/corelib/string_codeunits_test.dart
@@ -31,7 +31,7 @@ main() {
       Expect.throws(() => units.last, (e) => e is StateError);
       Expect.throws(() => units[0], (e) => e is RangeError);
       Expect.throws(() => units[0] = 499, (e) => e is UnsupportedError);
-      Expect.listEquals([], units.getRange(0, 0));
+      Expect.listEquals([], units.sublist(0, 0));
       Expect.equals(-1, units.indexOf(42));
       Expect.equals(-1, units.lastIndexOf(499));
     } else {
@@ -39,7 +39,7 @@ main() {
       Expect.equals(s.codeUnitAt(s.length - 1), units.last);
       Expect.equals(s.codeUnitAt(0), units[0]);
       Expect.throws(() { units[0] = 499; }, (e) => e is UnsupportedError);
-      List<int> sub = units.getRange(1, units.length - 1);
+      List<int> sub = units.sublist(1);
       Expect.listEquals(s.substring(1, s.length).codeUnits, sub);
       Expect.equals(-1, units.indexOf(-1));
       Expect.equals(0, units.indexOf(units[0]));