Check in patch for pierre.lafayette, http://codereview.chromium.org/178059/sh...

net/base/net_util.h

Index: net/base/net_util.h
===================================================================
--- net/base/net_util.h	(revision 25619)
+++ net/base/net_util.h	(working copy)
@@ -12,6 +12,7 @@
 #endif
 
 #include <string>
+#include <set>
 
 #include "base/basictypes.h"
 #include "base/string16.h"
@@ -35,6 +36,9 @@
 
 namespace net {
 
+// Holds a list of ports that should be accepted despite bans.
+extern std::set<int> explicitly_allowed_ports;
+
 // Given the full path to a file name, creates a file: URL. The returned URL
 // may not be valid if the input is malformed.
 GURL FilePathToFileURL(const FilePath& path);
@@ -191,6 +195,10 @@
 // restricted.
 bool IsPortAllowedByFtp(int port);
 
+// Check if banned |port| has been overriden by an entry in
+// |explicitly_allowed_ports_|.
+bool IsPortAllowedByOverride(int port);
+
 // Set socket to non-blocking mode
 int SetNonBlocking(int fd);
 
@@ -230,6 +238,8 @@
 //   - reference section
 GURL SimplifyUrlForRequest(const GURL& url);
 
+void SetExplicitlyAllowedPorts(const std::wstring& allowed_ports);
+
 }  // namespace net
 
 #endif  // NET_BASE_NET_UTIL_H__