[oilpan] Handlify childrenChanged.

Source/core/dom/ContainerNode.cpp

Index: Source/core/dom/ContainerNode.cpp
diff --git a/Source/core/dom/ContainerNode.cpp b/Source/core/dom/ContainerNode.cpp
index c7b3f026638e3416f0c4566c7d9d5fe9a4ba12ab..68f8f110313c672c6a6106f51801f27176e9add4 100644
--- a/Source/core/dom/ContainerNode.cpp
+++ b/Source/core/dom/ContainerNode.cpp
@@ -339,7 +339,7 @@ void ContainerNode::parserInsertBefore(PassRefPtr<Node> newChild, Node* nextChil
 
     ChildListMutationScope(this).childAdded(newChild.get());
 
-    childrenChanged(true, newChild->previousSibling(), nextChild, 1);
+    childrenChanged(true, adoptRawResult(newChild->previousSibling()), adoptRawResult(nextChild), 1);
     ChildNodeInsertionNotifier(selfHandle()).notify(newChild.get());
 }
 
@@ -514,7 +514,7 @@ bool ContainerNode::removeChild(Node* oldChild, ExceptionCode& ec)
         Node* prev = child->previousSibling();
         Node* next = child->nextSibling();
         removeBetween(prev, next, child.get());
-        childrenChanged(false, prev, next, -1);
+        childrenChanged(false, adoptRawResult(prev), adoptRawResult(next), -1);
         ChildNodeRemovalNotifier(selfHandle()).notify(child.get());
     }
     dispatchSubtreeModifiedEvent();
@@ -567,7 +567,7 @@ void ContainerNode::parserRemoveChild(Node* oldChild)
 
     removeBetween(prev, next, oldChild);
 
-    childrenChanged(true, prev, next, -1);
+    childrenChanged(true, adoptRawResult(prev), adoptRawResult(next), -1);
     ChildNodeRemovalNotifier(selfHandle()).notify(oldChild);
 }
 
@@ -605,7 +605,7 @@ void ContainerNode::removeChildren()
             }
         }
 
-        childrenChanged(false, 0, 0, -static_cast<int>(removedChildren.size()));
+        childrenChanged(false, nullptr, nullptr, -static_cast<int>(removedChildren.size()));
         
         for (size_t i = 0; i < removedChildren.size(); ++i) {
             HandleScope scope;
@@ -699,7 +699,7 @@ void ContainerNode::parserAppendChild(PassRefPtr<Node> newChild)
 
     ChildListMutationScope(this).childAdded(newChild.get());
 
-    childrenChanged(true, last, 0, 1);
+    childrenChanged(true, adoptRawResult(last), nullptr, 1);
     ChildNodeInsertionNotifier(selfHandle()).notify(newChild.get());
 }
 
@@ -789,7 +789,7 @@ void ContainerNode::detach()
     Node::detach();
 }
 
-void ContainerNode::childrenChanged(bool changedByParser, Node*, Node*, int childCountDelta)
+void ContainerNode::childrenChanged(bool changedByParser, const Handle<Node>&, const Handle<Node>&, int childCountDelta)
 {
     document()->incDOMTreeVersion();
     if (!changedByParser && childCountDelta)
@@ -933,7 +933,7 @@ static void updateTreeAfterInsertion(const Handle<ContainerNode>& parent, Node*
 
     ChildListMutationScope(parent.raw()).childAdded(child);
 
-    parent->childrenChanged(false, child->previousSibling(), child->nextSibling(), 1);
+    parent->childrenChanged(false, adoptRawResult(child->previousSibling()), adoptRawResult(child->nextSibling()), 1);
 
     ChildNodeInsertionNotifier(parent).notify(child);