Remove deprecated StringBuffer.add, addAll and addCharCode.

samples/third_party/dromaeo/common/BenchUtil.dart

 // Copyright (c) 2011, 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 common;
 
 // Misc benchmark-related utility functions.
 
 class BenchUtil {
   static int get now {
@@ skipping 38 matching lines @@
 
   static String encodeUri(final String s) {
     StringBuffer sb = new StringBuffer();
     for (int i = 0; i < s.length; i++) {
       final int charCode = s.codeUnitAt(i);
       final bool noEscape =
           _inRange(charCode, '0', '9') ||
           _inRange(charCode, 'a', 'z') ||
           _inRange(charCode, 'A', 'Z');
       if (noEscape) {
-        sb.add(s[i]);
+        sb.write(s[i]);
       } else {
-       sb.add('%');
-       sb.add(_asDigit((charCode >> 4) & 0xF));
-       sb.add(_asDigit(charCode & 0xF));
+       sb.write('%');
+       sb.write(_asDigit((charCode >> 4) & 0xF));
+       sb.write(_asDigit(charCode & 0xF));
       }
     }
     return sb.toString();
   }
 
   // TODO: use corelib implementation.
   static String replaceAll(String s, String pattern,
                            String replacement(Match match)) {
     StringBuffer sb = new StringBuffer();
 
     int pos = 0;
     for (Match match in new RegExp(pattern).allMatches(s)) {
-      sb.add(s.substring(pos, match.start));
-      sb.add(replacement(match));
+      sb.write(s.substring(pos, match.start));
+      sb.write(replacement(match));
       pos = match.end;
     }
-    sb.add(s.substring(pos));
+    sb.write(s.substring(pos));
 
     return sb.toString();
   }
 }