diff --git a/xpfe/browser/src/nsBrowserInstance.cpp b/xpfe/browser/src/nsBrowserInstance.cpp
index b4c237bd32bc..66455bc8d5a6 100644
--- a/xpfe/browser/src/nsBrowserInstance.cpp
+++ b/xpfe/browser/src/nsBrowserInstance.cpp
@@ -2026,6 +2026,24 @@ nsBrowserAppCore::SetTitleForIndex(PRInt32 aIndex, const PRUnichar* aTitle)
       mSHistory->SetTitleForIndex(aIndex, aTitle);
    return NS_OK;
 }
+
+NS_IMETHODIMP
+nsBrowserAppCore::GetHistoryObjectForIndex(PRInt32 aIndex, nsISupports ** aState)
+{
+
+   if (mSHistory)
+      mSHistory->GetHistoryObjectForIndex(aIndex, aState);
+   return NS_OK;
+}
+
+NS_IMETHODIMP
+nsBrowserAppCore::SetHistoryObjectForIndex(PRInt32 aIndex, nsISupports * aState)
+{
+   if (mSHistory)
+      mSHistory->SetHistoryObjectForIndex(aIndex, aState);
+   return NS_OK;
+}
+
 /*
 NS_IMETHODIMP
 cloneHistory(nsISessionHistory * aSessionHistory) {
diff --git a/xpfe/browser/src/nsBrowserInstance.h b/xpfe/browser/src/nsBrowserInstance.h
index 0c60ad61c92b..3d47a01193c1 100644
--- a/xpfe/browser/src/nsBrowserInstance.h
+++ b/xpfe/browser/src/nsBrowserInstance.h
@@ -132,6 +132,9 @@ class nsBrowserInstance : public nsIBrowserInstance,
 
     NS_IMETHOD SetTitleForIndex(PRInt32 aIndex, const PRUnichar * aTitle);
 
+	NS_IMETHOD GetHistoryObjectForIndex(PRInt32 aIndex,  nsISupports ** aState);
+
+    NS_IMETHOD SetHistoryObjectForIndex(PRInt32 aIndex, nsISupports * aState);
 
   protected:
     NS_IMETHOD DoDialog();