"Reverting 14829-14832"

pkg/http/lib/src/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.
 
 library utils;
 
 import 'dart:crypto';
 import 'dart:io';
 import 'dart:isolate';
 import 'dart:scalarlist';
@@ skipping 96 matching lines @@
 }
 
 /// Converts [string] into a byte array according to [encoding].
 List<int> encodeString(String string, Encoding encoding) {
   // TODO(nweiz): implement this once issue 6284 is fixed.
   return string.charCodes;
 }
 
 /// A regular expression that matches strings that are composed entirely of
 /// ASCII-compatible characters.
-final RegExp _ASCII_ONLY = new RegExp(r"^[\x00-\x7F]+$");
+final RegExp _ASCII_ONLY = const RegExp(r"^[\x00-\x7F]+$");
 
 /// Returns whether [string] is composed entirely of ASCII-compatible
 /// characters.
 bool isPlainAscii(String string) => _ASCII_ONLY.hasMatch(string);
 
 /// Converts [input] into a [Uint8List]. If [input] is a [ByteArray] or
 /// [ByteArrayViewable], this just returns a view on [input].
 Uint8List toUint8List(List<int> input) {
   if (input is Uint8List) return input;
   if (input is ByteArrayViewable) input = input.asByteArray();
@@ skipping 71 matching lines @@
 
 /// Configures [future] so that its result (success or exception) is passed on
 /// to [completer].
 void chainToCompleter(Future future, Completer completer) {
   future.handleException((e) {
     completer.completeException(e);
     return true;
   });
   future.then(completer.complete);
 }