[LayoutNG] Make NGBlockLayoutAlgorithm accept a NGBlockNode.

third_party/WebKit/Source/core/layout/ng/ng_out_of_flow_layout_part_test.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/layout/ng/ng_out_of_flow_layout_part.h"
 
 #include "core/layout/LayoutTestHelper.h"
 #include "core/layout/ng/layout_ng_block_flow.h"
 
 namespace blink {
@@ skipping 48 matching lines @@
           </div>
         </div>
       </div>
       )HTML");
 
   // Test whether the oof fragments have been collected at NG->Legacy boundary.
   Element* rel = document().getElementById("rel");
   LayoutNGBlockFlow* block_flow = toLayoutNGBlockFlow(rel->layoutObject());
   NGConstraintSpace* space =
       NGConstraintSpace::CreateFromLayoutObject(*block_flow);
-  NGBlockNode node(block_flow);
-  RefPtr<NGPhysicalFragment> fragment = node.Layout(space);
+  NGBlockNode* node = new NGBlockNode(block_flow);
+  RefPtr<NGPhysicalFragment> fragment = node->Layout(space);
   EXPECT_EQ(fragment->OutOfFlowDescendants().size(), (size_t)2);
 
   // Test the final result.
   Element* fixed_1 = document().getElementById("fixed1");
   Element* fixed_2 = document().getElementById("fixed2");
   // fixed1 top is static: #abs.top + #pad.height
   EXPECT_EQ(fixed_1->offsetTop(), LayoutUnit(99));
   // fixed2 top is positioned: #fixed2.top
   EXPECT_EQ(fixed_2->offsetTop(), LayoutUnit(9));
 };
 }
 }