Implement support for application/x-www-form-urlencoded' form data in HttpBodyHandler.

sdk/lib/io/http_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.
 
 part of dart.io;
 
 class _HttpUtils {
   static String decodeUrlEncodedString(String urlEncoded) {
     // First check the string for any encoding.
     int index = 0;
@@ skipping 341 matching lines @@
     int hour = toInt(timeList[0]);
     int minute = toInt(timeList[1]);
     int second = toInt(timeList[2]);
     if (hour > 23) error();
     if (minute > 59) error();
     if (second > 59) error();
 
     return new DateTime.utc(year, month, dayOfMonth, hour, minute, second, 0);
   }
 
-  // Parse a string with HTTP entities. Returns null if the string ends in the
+  // Decode a string with HTTP entities. Returns null if the string ends in the
   // middle of a http entity.
-  static String parseHttpEntityString(String input) {
+  static String decodeHttpEntityString(String input) {
     int amp = input.lastIndexOf('&');
     if (amp < 0) return input;
     int end = input.lastIndexOf(';');
     if (end < amp) return null;
 
     var buffer = new StringBuffer();
     int offset = 0;
 
     parse(amp, end) {
       switch (input[amp + 1]) {
@@ skipping 14 matching lines @@
     while ((amp = input.indexOf('&', offset)) >= 0) {
       buffer.write(input.substring(offset, amp));
       int end = input.indexOf(';', amp);
       parse(amp, end);
       offset = end + 1;
     }
     buffer.write(input.substring(offset));
     return buffer.toString();
   }
 }