Remove deprecated string features.

sdk/lib/io/string_transformer.dart

 // Copyright (c) 2013, 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;
 
 /**
  * String encodings.
  */
 class Encoding {
@@ skipping 27 matching lines @@
   StringDecoder([Encoding encoding = Encoding.UTF_8, int replacementChar]) {
     switch (encoding) {
       case Encoding.UTF_8:
         if (replacementChar == null) {
           replacementChar = UNICODE_REPLACEMENT_CHARACTER_CODEPOINT;
         }
         _decoder = new Utf8DecoderTransformer(replacementChar);
         break;
       case Encoding.ASCII:
         if (replacementChar == null) {
-          replacementChar = '?'.charCodeAt(0);
+          replacementChar = '?'.codeUnitAt(0);
         } else if (replacementChar > 127) {
           throw new ArgumentError("Invalid replacement character for ASCII");
         }
         _decoder = new _AsciiDecoder(replacementChar);
         break;
       case Encoding.ISO_8859_1:
         if (replacementChar == null) {
-          replacementChar = '?'.charCodeAt(0);
+          replacementChar = '?'.codeUnitAt(0);
         } else if (replacementChar > 255) {
           throw new ArgumentError(
               "Invalid replacement character for ISO_8859_1");
         }
         _decoder = new _Latin1Decoder(replacementChar);
         break;
       case Encoding.SYSTEM:
         if (Platform.operatingSystem == "windows") {
           _decoder = new _WindowsCodePageDecoder();
         } else {
@@ skipping 103 matching lines @@
 
     void handle(String data, bool isClosing) {
       if (_carry != null) {
         data = _carry.concat(data);
         _carry = null;
       }
       int startPos = 0;
       int pos = 0;
       while (pos < data.length) {
         int skip = 0;
-        int char = data.charCodeAt(pos);
+        int char = data.codeUnitAt(pos);
         if (char == _LF) {
           skip = 1;
         } else if (char == _CR) {
           skip = 1;
           if (pos + 1 < data.length) {
-            if (data.charCodeAt(pos + 1) == _LF) {
+            if (data.codeUnitAt(pos + 1) == _LF) {
               skip = 2;
             }
           } else if (!isClosing) {
             _carry = data.substring(startPos);
             return;
           }
         }
         if (skip > 0) {
           _buffer.add(data.substring(startPos, pos));
           _controller.add(_buffer.toString());
@@ skipping 141 matching lines @@
     if (!_controller.hasSubscribers) {
       _subscription.cancel();
     }
   }
 }
 
 
 // Utility class for encoding a string into an ASCII byte stream.
 class _AsciiEncoder extends _SingleByteEncoder {
   List<int> _encode(String string) {
-    var bytes = string.charCodes;
+    var bytes = string.codeUnits;
     for (var byte in bytes) {
       if (byte > 127) return null;
     }
     return bytes;
   }
 }
 
 
 // Utility class for encoding a string into a Latin1 byte stream.
 class _Latin1Encoder extends _SingleByteEncoder {
   List<int> _encode(String string) {
-    var bytes = string.charCodes;
+    var bytes = string.codeUnits;
     for (var byte in bytes) {
       if (byte > 255) return null;
     }
     return bytes;
   }
 }
 
 
 // Utility class for encoding a string into a current windows
 // code page byte list.
@@ skipping 34 matching lines @@
       _subscription.resume();
     }
   }
 
   void _subscriptionChanged() {
     if (!_controller.hasSubscribers) {
       _subscription.cancel();
     }
   }
 }