inline WebCore::Node::Node constructor more safely

Source/core/dom/Text.h

Index: Source/core/dom/Text.h
diff --git a/Source/core/dom/Text.h b/Source/core/dom/Text.h
index 10fc820d0d3ad65be3ea6ab8c8f71eae7a66486e..44565a62163220936783058312fae1b5aeba273d 100644
--- a/Source/core/dom/Text.h
+++ b/Source/core/dom/Text.h
@@ -58,8 +58,8 @@ public:
     virtual NodeType nodeType() const OVERRIDE;
 
 protected:
-    Text(Document* document, const String& data, ConstructionType type)
-        : CharacterData(document, data, type)
+    Text(TreeScope* tree_scope, const String& data, ConstructionType type)
+        : CharacterData(tree_scope, data, type)
     {
         ScriptWrappable::init(this);
     }