Rename Node::willBeDeletedFrom() to willBeDeletedFromDocument()

Source/core/dom/Node.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 276 matching lines @@
     liveNodeSet.remove(this);
 #endif
 
     if (hasRareData())
         clearRareData();
 
     RELEASE_ASSERT(!renderer());
 
     if (!isContainerNode()) {
         if (Document* document = documentInternal())
-            willBeDeletedFrom(document);
+            willBeDeletedFrom(*document);
     }
 
     if (m_previous)
         m_previous->setNextSibling(0);
     if (m_next)
         m_next->setPreviousSibling(0);
 
     m_treeScope->guardDeref();
 
     InspectorCounters::decrementCounter(InspectorCounters::NodeCounter);
 }
 
-void Node::willBeDeletedFrom(Document* document)
+void Node::willBeDeletedFrom(Document& document)
 {
     if (hasEventTargetData()) {
-        if (document)
-            document->didRemoveEventTargetNode(this);
+        document.didRemoveEventTargetNode(this);
         clearEventTargetData();
     }
 
-    if (document) {
-        if (AXObjectCache* cache = document->existingAXObjectCache())
-            cache->remove(this);
-    }
+    if (AXObjectCache* cache = document.existingAXObjectCache())
+        cache->remove(this);
 }
 
 NodeRareData* Node::rareData() const
 {
     ASSERT_WITH_SECURITY_IMPLICATION(hasRareData());
     return static_cast<NodeRareData*>(m_data.m_rareData);
 }
 
 NodeRareData* Node::ensureRareData()
 {
@@ skipping 2302 matching lines @@
         node->showTreeForThis();
 }
 
 void showNodePath(const WebCore::Node* node)
 {
     if (node)
         node->showNodePathForThis();
 }
 
 #endif