Code clean-up

pkg/analyzer/lib/src/util/fast_uri.dart

 // Copyright (c) 2016, 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.
 
 import 'dart:collection';
 
 /**
  * Implementation of [Uri] that understands only a limited set of valid
  * URI formats, but works fast. In practice Dart code almost always uses such
  * limited URI format, so almost always can be processed fast.
@@ skipping 12 matching lines @@
   final String _text;
   final String _scheme;
   final bool _hasEmptyAuthority;
   final String _path;
 
   /**
    * The offset of the last `/` in [_text], or `null` if there isn't any.
    */
   final int _lastSlashIndex;
 
-  /**
-   * The cached hashcode.
-   */
-  int _hashCode;
-
   Uri _cachedFallbackUri;
 
   FastUri._(this._cacheGeneration, this._text, this._scheme,
       this._hasEmptyAuthority, this._path, this._lastSlashIndex);
 
   @override
   String get authority => '';
 
   @override
   UriData get data => null;
@@ skipping 218 matching lines @@
       hasEmptyAuthority = true;
       path = path.substring(2);
       if (!path.startsWith('/')) {
         return null;
       }
     }
     return new FastUri._(_currentCacheGeneration, text, scheme,
         hasEmptyAuthority, path, lastSlashIndex);
   }
 }