Oilpan: move editing objects to the heap.

Source/core/editing/RemoveNodePreservingChildrenCommand.h

Index: Source/core/editing/RemoveNodePreservingChildrenCommand.h
diff --git a/Source/core/editing/RemoveNodePreservingChildrenCommand.h b/Source/core/editing/RemoveNodePreservingChildrenCommand.h
index 7ad1b9efaf542a94fb1e23d948577626c8087db8..1498be24fcb62e26151055c654f24afa9f87497f 100644
--- a/Source/core/editing/RemoveNodePreservingChildrenCommand.h
+++ b/Source/core/editing/RemoveNodePreservingChildrenCommand.h
@@ -32,17 +32,19 @@ namespace WebCore {
 
 class RemoveNodePreservingChildrenCommand FINAL : public CompositeEditCommand {
 public:
-    static PassRefPtr<RemoveNodePreservingChildrenCommand> create(PassRefPtr<Node> node, ShouldAssumeContentIsAlwaysEditable shouldAssumeContentIsAlwaysEditable)
+    static PassRefPtrWillBeRawPtr<RemoveNodePreservingChildrenCommand> create(PassRefPtrWillBeRawPtr<Node> node, ShouldAssumeContentIsAlwaysEditable shouldAssumeContentIsAlwaysEditable)
     {
-        return adoptRef(new RemoveNodePreservingChildrenCommand(node, shouldAssumeContentIsAlwaysEditable));
+        return adoptRefWillBeNoop(new RemoveNodePreservingChildrenCommand(node, shouldAssumeContentIsAlwaysEditable));
     }
 
+    virtual void trace(Visitor*) OVERRIDE;
+
 private:
-    explicit RemoveNodePreservingChildrenCommand(PassRefPtr<Node>, ShouldAssumeContentIsAlwaysEditable);
+    RemoveNodePreservingChildrenCommand(PassRefPtrWillBeRawPtr<Node>, ShouldAssumeContentIsAlwaysEditable);
 
     virtual void doApply() OVERRIDE;
 
-    RefPtr<Node> m_node;
+    RefPtrWillBeMember<Node> m_node;
     ShouldAssumeContentIsAlwaysEditable m_shouldAssumeContentIsAlwaysEditable;
 };