diff --git a/docshell/shistory/public/nsISHEntry.idl b/docshell/shistory/public/nsISHEntry.idl
index 7fc400d0d9ab..724ffc8fb9db 100644
--- a/docshell/shistory/public/nsISHEntry.idl
+++ b/docshell/shistory/public/nsISHEntry.idl
@@ -41,6 +41,9 @@ interface nsISHEntry : nsISupports
 /** URI for the document */
 void SetURI(in nsIURI aURI);
 
+/** Referrer URI */
+attribute nsIURI referrerURI;
+
 /**  DOM Document */
 attribute nsIDOMDocument document;
 
diff --git a/docshell/shistory/src/nsSHEntry.cpp b/docshell/shistory/src/nsSHEntry.cpp
index 9023d78e9cbc..309e067227a3 100644
--- a/docshell/shistory/src/nsSHEntry.cpp
+++ b/docshell/shistory/src/nsSHEntry.cpp
@@ -84,6 +84,20 @@ NS_IMETHODIMP nsSHEntry::SetURI(nsIURI* aURI)
    return NS_OK;
 }
 
+NS_IMETHODIMP nsSHEntry::GetReferrerURI(nsIURI **aReferrerURI)
+{
+   NS_ENSURE_ARG_POINTER(aReferrerURI);
+   *aReferrerURI = mReferrerURI;
+   NS_IF_ADDREF(*aReferrerURI);
+   return NS_OK;
+}
+
+NS_IMETHODIMP nsSHEntry::SetReferrerURI(nsIURI *aReferrerURI)
+{
+   mReferrerURI = aReferrerURI;
+   return NS_OK;
+}
+
 NS_IMETHODIMP nsSHEntry::SetDocument(nsIDOMDocument* aDocument)
 {
    mDocument = aDocument;
diff --git a/docshell/shistory/src/nsSHEntry.h b/docshell/shistory/src/nsSHEntry.h
index 3a82b92177c7..62ede83dd568 100644
--- a/docshell/shistory/src/nsSHEntry.h
+++ b/docshell/shistory/src/nsSHEntry.h
@@ -56,6 +56,7 @@ private:
    
 	 
   nsCOMPtr<nsIURI>                mURI;
+  nsCOMPtr<nsIURI>                mReferrerURI;
 	nsCOMPtr<nsIDOMDocument>        mDocument;
 	nsString                        mTitle;
 	nsCOMPtr<nsIInputStream>        mPostData;