Add a FrameView lifecycle method that just updates layout, style and compositing.

Source/web/WebAXObject.cpp

Index: Source/web/WebAXObject.cpp
diff --git a/Source/web/WebAXObject.cpp b/Source/web/WebAXObject.cpp
index 9f3d96ca63eb3e71d1543ca19bcdc01045ce796f..79b2b4757f2251be5d66b71f65f21949d626e45c 100644
--- a/Source/web/WebAXObject.cpp
+++ b/Source/web/WebAXObject.cpp
@@ -127,7 +127,7 @@ bool WebAXObject::updateLayoutAndCheckValidity()
         Document* document = m_private->document();
         if (!document || !document->topDocument().view())
             return false;
-        document->view()->updateLayoutAndStyleForPainting();
+        document->view()->updateAllLifecyclePhases();
     }
 
     // Doing a layout can cause this object to be invalid, so check again.