Fix recognizing FTP listings consisting of only one line.

net/ftp/ftp_directory_listing_parsers.h

Index: net/ftp/ftp_directory_listing_parsers.h
diff --git a/net/ftp/ftp_directory_listing_parsers.h b/net/ftp/ftp_directory_listing_parsers.h
index e02bb1d8f631bff8a9d34147380e6b8d64183aa6..8b11ecb0837b9c51059dad1d0f51d29c2695f4a7 100644
--- a/net/ftp/ftp_directory_listing_parsers.h
+++ b/net/ftp/ftp_directory_listing_parsers.h
@@ -38,6 +38,10 @@ class FtpDirectoryListingParser {
   // Adds |line| to the internal parsing buffer. Returns true on success.
   virtual bool ConsumeLine(const string16& line) = 0;
 
+  // Called after all input has been consumed. Returns true if the parser
+  // recognizes all received data as a valid listing.
+  virtual bool OnEndOfInput() = 0;
+
   // Returns true if there is at least one FtpDirectoryListingEntry available.
   virtual bool EntryAvailable() const = 0;
 
@@ -54,6 +58,7 @@ class FtpLsDirectoryListingParser : public FtpDirectoryListingParser {
   // FtpDirectoryListingParser methods:
   virtual FtpServerType GetServerType() const { return SERVER_LS; }
   virtual bool ConsumeLine(const string16& line);
+  virtual bool OnEndOfInput();
   virtual bool EntryAvailable() const;
   virtual FtpDirectoryListingEntry PopEntry();
 
@@ -72,6 +77,7 @@ class FtpWindowsDirectoryListingParser : public FtpDirectoryListingParser {
   // FtpDirectoryListingParser methods:
   virtual FtpServerType GetServerType() const { return SERVER_WINDOWS; }
   virtual bool ConsumeLine(const string16& line);
+  virtual bool OnEndOfInput();
   virtual bool EntryAvailable() const;
   virtual FtpDirectoryListingEntry PopEntry();
 
@@ -89,6 +95,7 @@ class FtpVmsDirectoryListingParser : public FtpDirectoryListingParser {
   // FtpDirectoryListingParser methods:
   virtual FtpServerType GetServerType() const { return SERVER_VMS; }
   virtual bool ConsumeLine(const string16& line);
+  virtual bool OnEndOfInput();
   virtual bool EntryAvailable() const;
   virtual FtpDirectoryListingEntry PopEntry();