nits from cr 22070003

sdk/lib/convert/line_splitter.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.convert;
 
 /**
  * This class splits [String] values into individual lines.
  */
 class LineSplitter extends Converter<String, List<String>> {
@@ skipping 20 matching lines @@
   static const int _LF = 10;
   static const int _CR = 13;
 
   final StringConversionSink _sink;
 
   String _carry;
 
   _LineSplitterSink(this._sink);
 
   void addSlice(String chunk, int start, int end, bool isLast) {
-    if(_carry != null) {
+    if (_carry != null) {
       chunk = _carry + chunk.substring(start, end);
       start = 0;
       end = chunk.length;
       _carry = null;
     }
     _carry = _addSlice(chunk, start, end, isLast, _sink.add);
-    if(isLast) _sink.close();
+    if (isLast) _sink.close();
   }
 
   void close() {
     addSlice('', 0, 0, true);
   }
 
-  static String _addSlice(String chunk, int start, int end, bool isLast, void adder(String val)) {
+  static String _addSlice(String chunk, int start, int end, bool isLast,
+                          void adder(String val)) {
+
     int pos = start;
     while (pos < end) {
       int skip = 0;
       int char = chunk.codeUnitAt(pos);
       if (char == _LF) {
         skip = 1;
       } else if (char == _CR) {
         skip = 1;
         if (pos + 1 < end) {
           if (chunk.codeUnitAt(pos + 1) == _LF) {
             skip = 2;
           }
         } else if (!isLast) {
           return chunk.substring(start, end);
         }
       }
       if (skip > 0) {
         adder(chunk.substring(start, pos));
         start = pos = pos + skip;
       } else {
         pos++;
       }
     }
     if (pos != start) {
       var carry = chunk.substring(start, pos);
-      if(isLast) {
+      if (isLast) {
         // Add remaining
         adder(carry);
       } else {
         return carry;
       }
     }
     return null;
   }
 }