[LayoutNG] Make NG algorithms non-oilpan.

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

Index: third_party/WebKit/Source/core/layout/ng/ng_layout_input_node.h
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_layout_input_node.h b/third_party/WebKit/Source/core/layout/ng/ng_layout_input_node.h
index 6e502df91a5db01020c84a90272a8b42ca586c6e..f18a7864cdabadea0396bdbd577d7a75a66dee8d 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_layout_input_node.h
+++ b/third_party/WebKit/Source/core/layout/ng/ng_layout_input_node.h
@@ -13,7 +13,6 @@ namespace blink {
 class LayoutObject;
 class NGConstraintSpace;
 class NGPhysicalFragment;
-class NGLayoutAlgorithm;
 
 // Represents the input to a layout algorithm for a given node. The layout
 // engine should use the style, node type to determine which type of layout
@@ -38,9 +37,6 @@ class CORE_EXPORT NGLayoutInputNode
     return static_cast<NGLayoutInputNodeType>(type_);
   }
 
-  static NGLayoutAlgorithm* AlgorithmForInputNode(NGLayoutInputNode*,
-                                                  NGConstraintSpace*);
-
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 
  protected: