Use stricter typing for NodeLists throughout the code base

Source/core/dom/Node.h

Index: Source/core/dom/Node.h
diff --git a/Source/core/dom/Node.h b/Source/core/dom/Node.h
index 01ceb812f8d826d38f2777fe2d46702c11478d2b..d3db7d946809c44529e4d7b46701e773ac886058 100644
--- a/Source/core/dom/Node.h
+++ b/Source/core/dom/Node.h
@@ -79,6 +79,7 @@ class RenderBoxModelObject;
 class RenderObject;
 class RenderStyle;
 class ShadowRoot;
+class StaticNodeList;
 class TagCollection;
 class Text;
 class TouchEvent;
@@ -666,7 +667,7 @@ public:
     void updateAncestorConnectedSubframeCountForRemoval() const;
     void updateAncestorConnectedSubframeCountForInsertion() const;
 
-    PassRefPtrWillBeRawPtr<NodeList> getDestinationInsertionPoints();
+    PassRefPtrWillBeRawPtr<StaticNodeList> getDestinationInsertionPoints();
 
     void setAlreadySpellChecked(bool flag) { setFlag(flag, AlreadySpellCheckedFlag); }
     bool isAlreadySpellChecked() { return getFlag(AlreadySpellCheckedFlag); }