Fix string whitespace trimming of 0x200b and NEL character.

test/mjsunit/regress/regress-2408.js

Index: test/mjsunit/regress/regress-2408.js
diff --git a/src/platform-posix.h b/test/mjsunit/regress/regress-2408.js
similarity index 82%
copy from src/platform-posix.h
copy to test/mjsunit/regress/regress-2408.js
index 7a982ed2ef3080dad77860d6f46b356a9067bf3b..dfd7c293d0921b25da11407b3cff101f4d9bb414 100644
--- a/src/platform-posix.h
+++ b/test/mjsunit/regress/regress-2408.js
@@ -25,15 +25,10 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#ifndef V8_PLATFORM_POSIX_H_
-#define V8_PLATFORM_POSIX_H_
+// The "Next Line (NEL)" character has the "White_Space" property according to
+// Unicode 6.1 but does not belong to the "Zs" category. Hence ECMA-262 5.1
+// specifies to not trim this character.
 
-namespace v8 {
-namespace internal {
-
-// Used by platform implementation files during OS::PostSetUp().
-void POSIXPostSetUp();
-
-} }  // namespace v8::internal
-
-#endif  // V8_PLATFORM_POSIX_H_
+assertEquals('\u0085'.trim(), '\u0085');
+assertEquals('\u0085'.trimLeft(), '\u0085');
+assertEquals('\u0085'.trimRight(), '\u0085');