diff --git a/accessible/public/nsPIAccessible.idl b/accessible/public/nsPIAccessible.idl
index c7a71829887..813886a6ca3 100644
--- a/accessible/public/nsPIAccessible.idl
+++ b/accessible/public/nsPIAccessible.idl
@@ -41,7 +41,7 @@
 interface nsIAccessible;
 interface nsIAccessibleEvent;
 
-[uuid(96518e2e-b142-4b5d-9324-0fa5ba4f8bab)]
+[uuid(817ae493-b238-4fbc-a623-d20ed81eebcd)]
 interface nsPIAccessible : nsISupports
 {
   /**
@@ -69,6 +69,18 @@ interface nsPIAccessible : nsISupports
    */
   void invalidateChildren();
 
+  /**
+   * Fire accessible event.
+   *
+   * @param aEvent - DOM event
+   * @param aTarget - target of DOM event
+   * @param aData - additional information for accessible event.
+   *
+   * XXX: eventually this method will be removed (see bug 377022)
+   */
+  void fireToolkitEvent(in unsigned long aEvent, in nsIAccessible aTarget,
+                        in voidPtr aData);
+
   /**
    * Fire accessible event.
    */
diff --git a/accessible/src/base/nsAccessible.cpp b/accessible/src/base/nsAccessible.cpp
index b918675af3b..570b1c5b761 100644
--- a/accessible/src/base/nsAccessible.cpp
+++ b/accessible/src/base/nsAccessible.cpp
@@ -2007,6 +2007,21 @@ PRBool nsAccessible::IsNodeRelevant(nsIDOMNode *aNode)
   return aNode == relevantNode;
 }
 
+NS_IMETHODIMP
+nsAccessible::FireToolkitEvent(PRUint32 aEvent, nsIAccessible *aTarget,
+                               void * aData)
+{
+  // Don't fire event for accessible that has been shut down.
+  if (!mWeakShell)
+    return NS_ERROR_FAILURE;
+
+  nsCOMPtr<nsIAccessibleEvent> accEvent =
+    new nsAccEvent(aEvent, aTarget, aData);
+  NS_ENSURE_TRUE(accEvent, NS_ERROR_OUT_OF_MEMORY);
+
+  return FireAccessibleEvent(accEvent);
+}
+
 NS_IMETHODIMP
 nsAccessible::FireAccessibleEvent(nsIAccessibleEvent *aEvent)
 {