Fix string whitespace trimming of 0x200b and NEL character.

test/mjsunit/third_party/string-trim.js

Index: test/mjsunit/third_party/string-trim.js
diff --git a/test/mjsunit/third_party/string-trim.js b/test/mjsunit/third_party/string-trim.js
index 234dff6dcd7608a0dcf0e3c26a7291d92b3a15f5..5170431a483b5ee8af3749db00a5c620767e6aef 100644
--- a/test/mjsunit/third_party/string-trim.js
+++ b/test/mjsunit/third_party/string-trim.js
@@ -63,10 +63,12 @@ var whitespace      = [
   {s : '\u2008', t : 'PUNCTUATION SPACE'},
   {s : '\u2009', t : 'THIN SPACE'},
   {s : '\u200A', t : 'HAIR SPACE'},
-  {s : '\u3000', t : 'IDEOGRAPHIC SPACE'},
   {s : '\u2028', t : 'LINE SEPARATOR'},
   {s : '\u2029', t : 'PARAGRAPH SEPARATOR'},
-  {s : '\u200B', t : 'ZERO WIDTH SPACE (category Cf)'}
+  {s : '\u202F', t : 'NARROW NO-BREAK SPACE'},
+  {s : '\u205F', t : 'MEDIUM MATHEMATICAL SPACE'},
+  {s : '\u3000', t : 'IDEOGRAPHIC SPACE'},
+  {s : '\uFEFF', t : 'BYTE ORDER MARK'}
 ];
 
 for (var i = 0; i < whitespace.length; i++) {