Get rid of a lot of () for getters.

lib/crypto/hash_utils.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // Constants.
 const _MASK_8 = 0xff;
 const _MASK_32 = 0xffffffff;
 const _BITS_PER_BYTE = 8;
 const _BYTES_PER_WORD = 4;
 
@@ skipping 35 matching lines @@
       return _resultAsBytes();
     }
     _digestCalled = true;
     _finalizeData();
     _iterate();
     assert(_pendingData.length == 0);
     return _resultAsBytes();
   }
 
   // Returns the block size of the hash in bytes.
-  int get blockSize() {
+  int get blockSize {
     return _chunkSizeInWords * _BYTES_PER_WORD;
   }
 
   // Create a fresh instance of this Hash.
   abstract newInstance();
 
   // One round of the hash computation.
   abstract _updateHash(List<int> m);
 
   // Helper methods.
@@ skipping 78 matching lines @@
   // Hasher state.
   final int _chunkSizeInWords;
   final int _digestSizeInWords;
   final bool _bigEndianWords;
   int _lengthInBytes = 0;
   List<int> _pendingData;
   List<int> _currentChunk;
   List<int> _h;
   bool _digestCalled = false;
 }