Oilpan: Prepare moving AXObject to heap

Source/core/dom/Node.cpp

Index: Source/core/dom/Node.cpp
diff --git a/Source/core/dom/Node.cpp b/Source/core/dom/Node.cpp
index abf2c4ba616bd77200cd0081953606eee4bf83ef..c1a6aae93108c806125dc9b2725e7b48ed6e6b92 100644
--- a/Source/core/dom/Node.cpp
+++ b/Source/core/dom/Node.cpp
@@ -76,7 +76,6 @@
 #include "core/frame/EventHandlerRegistry.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/LocalFrame.h"
-#include "core/frame/Settings.h"
 #include "core/html/HTMLDialogElement.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/input/EventHandler.h"
@@ -332,9 +331,6 @@ void Node::willBeDeletedFromDocument()
     if (document.frameHost())
         document.frameHost()->eventHandlerRegistry().didRemoveAllEventHandlers(*this);
 
-    if (AXObjectCache* cache = document.existingAXObjectCache())
-        cache->remove(this);
-
     document.markers().removeMarkers(this);
 }
 #endif
@@ -1806,12 +1802,6 @@ void Node::didMoveToNewDocument(Document& oldDocument)
         }
     }
 
-    Settings* settings = document().settings();
-    if (settings && settings->accessibilityEnabled()) {
-        if (AXObjectCache* cache = oldDocument.existingAXObjectCache())
-            cache->remove(this);
-    }
-
     oldDocument.markers().removeMarkers(this);
     oldDocument.updateRangesAfterNodeMovedToAnotherDocument(*this);
     if (oldDocument.frameHost() && !document().frameHost())