Fix the "ls -l" style date parser to correctly guess the year if it is not provided.

net/ftp/ftp_directory_listing_buffer.h

Index: net/ftp/ftp_directory_listing_buffer.h
diff --git a/net/ftp/ftp_directory_listing_buffer.h b/net/ftp/ftp_directory_listing_buffer.h
index f71685c51af8173ee8fff3395a8ced28498e0b4e..7aead4988e12725cb6efccd7f4187238552bb9c2 100644
--- a/net/ftp/ftp_directory_listing_buffer.h
+++ b/net/ftp/ftp_directory_listing_buffer.h
@@ -21,8 +21,10 @@ class FtpDirectoryListingParser;
 
 class FtpDirectoryListingBuffer {
  public:
-  FtpDirectoryListingBuffer();
-
+  // Constructor. When the current time is needed to guess the year on partial
+  // date strings, |current_time| will be used. This allows passing a specific
+  // date during testing.
+  explicit FtpDirectoryListingBuffer(const base::Time& current_time);
   ~FtpDirectoryListingBuffer();
 
   // Called when data is received from the data socket. Returns network