FTP: Compatibility fix for "ls -l" style directory listing parser....

net/ftp/ftp_directory_listing_parser_ls.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/ftp/ftp_directory_listing_parser_ls.h"
 
 #include <vector>
 
 #include "base/string_number_conversions.h"
 #include "base/string_split.h"
@@ skipping 84 matching lines @@
   // Unrecognized listing style.
   return false;
 }
 
 }  // namespace
 
 namespace net {
 
 FtpDirectoryListingParserLs::FtpDirectoryListingParserLs(
     const base::Time& current_time)
-    : received_nonempty_line_(false),
-      received_total_line_(false),
+    : received_total_line_(false),
       current_time_(current_time) {
 }
 
 FtpDirectoryListingParserLs::~FtpDirectoryListingParserLs() {}
 
 FtpServerType FtpDirectoryListingParserLs::GetServerType() const {
   return SERVER_LS;
 }
 
 bool FtpDirectoryListingParserLs::ConsumeLine(const string16& line) {
-  if (line.empty() && !received_nonempty_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())
     return true;
-  }
-  received_nonempty_line_ = true;
 
   std::vector<string16> columns;
   base::SplitString(CollapseWhitespace(line, false), ' ', &columns);
 
   // Some FTP servers put a "total n" line at the beginning of the listing
   // (n is an integer). Allow such a line, but only once, and only if it's
   // the first non-empty line. Do not match the word exactly, because it may be
   // in different languages (at least English and German have been seen in the
   // field).
   if (columns.size() == 2 && !received_total_line_) {
@@ skipping 98 matching lines @@
   return !entries_.empty();
 }
 
 FtpDirectoryListingEntry FtpDirectoryListingParserLs::PopEntry() {
   FtpDirectoryListingEntry entry = entries_.front();
   entries_.pop();
   return entry;
 }
 
 }  // namespace net