Change getRange to sublist. Make getRange deprecated.

sdk/lib/crypto/hash_utils.dart

Index: sdk/lib/crypto/hash_utils.dart
diff --git a/sdk/lib/crypto/hash_utils.dart b/sdk/lib/crypto/hash_utils.dart
index d0b13cf43f161c992584610c047418119deeac70..4188c5248d30d8df2d193d987f28534245499c33 100644
--- a/sdk/lib/crypto/hash_utils.dart
+++ b/sdk/lib/crypto/hash_utils.dart
@@ -116,8 +116,7 @@ abstract class _HashBase implements Hash {
         _bytesToChunk(_pendingData, index);
         _updateHash(_currentChunk);
       }
-      var remaining = len - index;
-      _pendingData = _pendingData.getRange(index, remaining);
+      _pendingData = _pendingData.sublist(index, len);
     }
   }