Fix the "ls -l" FTP LIST format parser to understand correctly
listings sent by VMS MultiNet servers emulating Unix.

TEST=Covered by net_unittests.
BUG=22193, 25520

Review URL: http://codereview.chromium.org/368006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@31217 0039d316-1c4b-4281-b951-d872f2087c98

• net/data/ftp/dir-listing-ls-3[Added - diff]
• net/data/ftp/dir-listing-ls-3.expected[Added - diff]
• net/data/ftp/dir-listing-ls-4[Added - diff]
• net/data/ftp/dir-listing-ls-4.expected[Added - diff]
• net/ftp/ftp_directory_listing_buffer_unittest.cc[diff]
• net/ftp/ftp_directory_listing_parsers.cc[diff]
• net/ftp/ftp_directory_listing_parsers.h[diff]
• net/ftp/ftp_directory_listing_parsers_unittest.cc[diff]