diff --git a/mozilla/netwerk/base/public/nsIPasswordManager.idl b/mozilla/netwerk/base/public/nsIPasswordManager.idl
index 43eccc3a7e2..f2aa4dfeb7c 100644
--- a/mozilla/netwerk/base/public/nsIPasswordManager.idl
+++ b/mozilla/netwerk/base/public/nsIPasswordManager.idl
@@ -36,6 +36,14 @@ interface nsIPasswordManager : nsISupports
   void addUser(in string host, in wstring user, in wstring pwd);
   void removeUser(in string host, in wstring user);
   void removeReject(in string host);
+
+  // Takes hostname, username and password as input parameters and returns 
+  // set of filled-in hostname, username and password for the first
+  // password element match. Empty string is treated as a wild
+  // card entry and will be considered as a match for any of the input
+  // parameters. 
+  void findPasswordEntry(inout string hostURI, inout wstring username, inout wstring password);
+
   readonly attribute nsISimpleEnumerator enumerator;
   readonly attribute nsISimpleEnumerator rejectEnumerator;
 };