FTP: add net-internals logging.

net/ftp/ftp_ctrl_response_buffer.h

Index: net/ftp/ftp_ctrl_response_buffer.h
diff --git a/net/ftp/ftp_ctrl_response_buffer.h b/net/ftp/ftp_ctrl_response_buffer.h
index be74c954f9d54c69998355be728fd5d0311801c4..fa5c03115b3cf578ae9b1e95987cf53f3fb905b5 100644
--- a/net/ftp/ftp_ctrl_response_buffer.h
+++ b/net/ftp/ftp_ctrl_response_buffer.h
@@ -12,6 +12,7 @@
 
 #include "base/basictypes.h"
 #include "net/base/net_export.h"
+#include "net/base/net_log.h"
 
 namespace net {
 
@@ -27,7 +28,7 @@ struct NET_EXPORT_PRIVATE FtpCtrlResponse {
 
 class NET_EXPORT_PRIVATE FtpCtrlResponseBuffer {
  public:
-  FtpCtrlResponseBuffer();
+  FtpCtrlResponseBuffer(const BoundNetLog& net_log);
   ~FtpCtrlResponseBuffer();
 
   // Called when data is received from the control socket. Returns error code.
@@ -90,6 +91,8 @@ class NET_EXPORT_PRIVATE FtpCtrlResponseBuffer {
   // As we read full responses (possibly multiline), we add them to the queue.
   std::queue<FtpCtrlResponse> responses_;
 
+  BoundNetLog net_log_;
+
   DISALLOW_COPY_AND_ASSIGN(FtpCtrlResponseBuffer);
 };