Rename Node::willBeDeletedFrom() to willBeDeletedFromDocument()

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 99c8197c9f1ec1137fd2a0c741d3a1e7862bab87..523d53a55654629dd8e766fea129ec2a74b76653 100644
--- a/Source/core/dom/Node.cpp
+++ b/Source/core/dom/Node.cpp
@@ -294,7 +294,7 @@ Node::~Node()
 
     if (!isContainerNode()) {
         if (Document* document = documentInternal())
-            willBeDeletedFrom(document);
+            willBeDeletedFrom(*document);
     }
 
     if (m_previous)
@@ -307,18 +307,15 @@ Node::~Node()
     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