Dart: Runs dartanalyzer for the dart_pkg build rule.

mojo/dart/testing/lib/validation_test_input_parser.dart

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 library validation_input_parser;
 
 import 'dart:typed_data';
 
 class ValidationParseResult {
   final Iterable<_Entry> _entries;
   final int numHandles;
   final ByteData data;
 
   ValidationParseResult(this._entries, this.data, this.numHandles);
 
   String toString() => _entries.map((e) => '$e').join('\n');
 }
 
 ValidationParseResult parse(String input) =>
     new _ValidationTestParser(input).parse();
 
 class ValidationParseError {
   final String _message;
   ValidationParseError(this._message);
   String toString() => _message;
 }
 
 abstract class _Entry {
   final int size;
+  _Entry(this.size);
   void write(ByteData buffer, int offset, Map pointers);
 }
 
 class _UnsignedEntry implements _Entry {
   final int size;
   final int value;
 
   _UnsignedEntry(this.size, this.value) {
     if ((value >= (1 << (size * 8))) || (value < 0)) {
       throw new ValidationParseError('$value does not fit in a u$size');
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       try {
         var result = parse(input);
         assert(false);
       } on ValidationParseError catch(e) {
         // Pass.
       }
     }
   }
 }