Remove NGBlockNode constructor, SetFirstChild, SetNextSibling methods

third_party/WebKit/Source/core/layout/ng/ng_block_node.h

Index: third_party/WebKit/Source/core/layout/ng/ng_block_node.h
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_block_node.h b/third_party/WebKit/Source/core/layout/ng/ng_block_node.h
index 04d2311e1beacf9d607584453f08260a4921c2ef..7b7a145564dc5c3b8eb8fa6c2a2b96bc2a64c47e 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_block_node.h
+++ b/third_party/WebKit/Source/core/layout/ng/ng_block_node.h
@@ -29,9 +29,6 @@ class CORE_EXPORT NGBlockNode final : public NGLayoutInputNode {
  public:
   explicit NGBlockNode(LayoutObject*);
 
-  // TODO(layout-ng): make it private and declare a friend class to use in tests
-  explicit NGBlockNode(ComputedStyle*);
-
   ~NGBlockNode() override;
 
   RefPtr<NGLayoutResult> Layout(NGConstraintSpace* constraint_space,
@@ -51,9 +48,6 @@ class CORE_EXPORT NGBlockNode final : public NGLayoutInputNode {
 
   NGLayoutInputNode* FirstChild();
 
-  void SetNextSibling(NGLayoutInputNode*);
-  void SetFirstChild(NGLayoutInputNode*);
-
   DECLARE_VIRTUAL_TRACE();
 
   // Runs layout on layout_box_ and creates a fragment for the resulting