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

sdk/lib/io/http_utils.dart

Index: sdk/lib/io/http_utils.dart
diff --git a/sdk/lib/io/http_utils.dart b/sdk/lib/io/http_utils.dart
index 3a72c6149b63469ad653e161b64b590d138c5f5b..8e957bf7f2a0bc580c91d18b660efc82f0c5f3a8 100644
--- a/sdk/lib/io/http_utils.dart
+++ b/sdk/lib/io/http_utils.dart
@@ -359,9 +359,9 @@ class _HttpUtils {
     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(';');