diff --git a/mozilla/accessible/src/base/nsOuterDocAccessible.cpp b/mozilla/accessible/src/base/nsOuterDocAccessible.cpp
index 6e5ea0ea87e..ee1d944b2b4 100644
--- a/mozilla/accessible/src/base/nsOuterDocAccessible.cpp
+++ b/mozilla/accessible/src/base/nsOuterDocAccessible.cpp
@@ -148,3 +148,34 @@ nsOuterDocAccessible::GetAttributesInternal(nsIPersistentProperties *aAttributes
   }
   return nsAccessible::GetAttributesInternal(aAttributes);
 }
+
+// Internal frame, which is the doc's parent, should not have a click action
+NS_IMETHODIMP
+nsOuterDocAccessible::GetNumActions(PRUint8 *aNumActions)
+{
+  NS_ENSURE_ARG_POINTER(aNumActions);
+  *aNumActions = 0;
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsOuterDocAccessible::GetActionName(PRUint8 aIndex, nsAString& aName)
+{
+  aName.Truncate();
+
+  return NS_ERROR_INVALID_ARG;
+}
+
+NS_IMETHODIMP
+nsOuterDocAccessible::GetActionDescription(PRUint8 aIndex, nsAString& aDescription)
+{
+  // default to same as action name.
+  return GetActionName(aIndex, aDescription);
+}
+
+NS_IMETHODIMP
+nsOuterDocAccessible::DoAction(PRUint8 aIndex)
+{
+  return NS_ERROR_INVALID_ARG;
+}
diff --git a/mozilla/accessible/src/base/nsOuterDocAccessible.h b/mozilla/accessible/src/base/nsOuterDocAccessible.h
index d8b28d3be9d..94b431dd49d 100644
--- a/mozilla/accessible/src/base/nsOuterDocAccessible.h
+++ b/mozilla/accessible/src/base/nsOuterDocAccessible.h
@@ -58,6 +58,10 @@ class nsOuterDocAccessible : public nsAccessibleWrap
                                nsIAccessible **aAccessible);
     void CacheChildren();
     nsresult GetAttributesInternal(nsIPersistentProperties *aAttributes);
+    NS_IMETHOD GetNumActions(PRUint8 *aNumActions);
+    NS_IMETHOD GetActionName(PRUint8 aIndex, nsAString& aName);
+    NS_IMETHODIMP GetActionDescription(PRUint8 aIndex, nsAString& aDescription);
+    NS_IMETHOD DoAction(PRUint8 aIndex);
 };
 
 #endif