MimeParserException has been renamed to MimeMultipartException.

R=dgrove@google.com

Review URL: https://codereview.chromium.org//15063002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@22530 260f80e4-7a28-3924-810f-c04153c831b5

lib/src/utils.dart

@@ -433,7 +433,7 @@ bool isUserFacingException(error) {
     error is HttpException ||
     error is HttpParserException ||
     error is LinkIOException ||
-    error is MimeParserException ||
+    error is MimeMultipartException ||
     error is OSError ||
     error is ProcessException ||
     error is SocketIOException ||