Fix the "ls -l" FTP LIST format parser to understand correctly

net/ftp/ftp_directory_listing_parsers.cc

Index: net/ftp/ftp_directory_listing_parsers.cc
diff --git a/net/ftp/ftp_directory_listing_parsers.cc b/net/ftp/ftp_directory_listing_parsers.cc
index 5f160e34d871c3ecdc4a47bfd7e080013dd422f0..41493906bdca20887eea6ed28098d2dce8efe96c 100644
--- a/net/ftp/ftp_directory_listing_parsers.cc
+++ b/net/ftp/ftp_directory_listing_parsers.cc
@@ -236,10 +236,18 @@ namespace net {
 FtpDirectoryListingParser::~FtpDirectoryListingParser() {
 }
 
-FtpLsDirectoryListingParser::FtpLsDirectoryListingParser() {
+FtpLsDirectoryListingParser::FtpLsDirectoryListingParser()
+    : received_nonempty_line_(false) {
 }
 
 bool FtpLsDirectoryListingParser::ConsumeLine(const string16& line) {
+  // Allow empty lines only at the beginning of the listing. For example VMS
+  // systems in Unix emulation mode add an empty line before the first listing
+  // entry.
+  if (line.empty() && !received_nonempty_line_)
+    return true;
+  received_nonempty_line_ = true;
+
   std::vector<string16> columns;
   SplitString(CollapseWhitespace(line, false), ' ', &columns);
   if (columns.size() == 11) {