Bug 381888 follow up, to simplify GetCaretAccessible(). sr+=bz on IRC.

accessible/src/base/nsRootAccessible.cpp

@@ -358,12 +358,10 @@ nsresult nsRootAccessible::RemoveEventListeners()
   return nsDocAccessible::RemoveEventListeners();
 }
 
-already_AddRefed<nsCaretAccessible>
+nsCaretAccessible*
 nsRootAccessible::GetCaretAccessible()
 {
-  nsCaretAccessible *rawCaretAccessible = mCaretAccessible;
-  NS_IF_ADDREF(rawCaretAccessible);
-  return rawCaretAccessible;
+  return mCaretAccessible;
 }
 
 void nsRootAccessible::TryFireEarlyLoadEvent(nsIDOMNode *aDocNode)

accessible/src/base/nsRootAccessible.h

@@ -103,7 +103,7 @@ class nsRootAccessible : public nsDocAccessibleWrap,
                                     nsIDOMEvent *aFocusEvent,
                                     PRBool aForceEvent = PR_FALSE);
 
-    already_AddRefed<nsCaretAccessible> GetCaretAccessible();
+    nsCaretAccessible *GetCaretAccessible();
 
   private:
     nsCOMPtr<nsITimer> mFireFocusTimer;