[LayoutNG] Make NGBlockLayoutAlgorithm accept a NGBlockNode.

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

 // Copyright 2016 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_inline_node.h"
 
 #include "core/layout/ng/ng_constraint_space.h"
 #include "core/layout/ng/ng_constraint_space_builder.h"
 #include "core/layout/ng/ng_fragment_builder.h"
 #include "core/layout/ng/ng_line_builder.h"
@@ skipping 55 matching lines @@
   void CreateLine(NGInlineNode* node,
                   Vector<RefPtr<const NGPhysicalTextFragment>>* fragments_out) {
     NGConstraintSpace* constraint_space =
         NGConstraintSpaceBuilder(kHorizontalTopBottom)
             .ToConstraintSpace(kHorizontalTopBottom);
     NGLineBuilder line_builder(node, constraint_space);
 
     NGTextLayoutAlgorithm algorithm(node, constraint_space);
     algorithm.LayoutInline(&line_builder);
 
-    NGFragmentBuilder fragment_builder(NGPhysicalFragment::kFragmentBox,
-                                       /* layout_object */ nullptr);
+    NGFragmentBuilder fragment_builder(NGPhysicalFragment::kFragmentBox, node);
     line_builder.CreateFragments(&fragment_builder);
     RefPtr<NGPhysicalBoxFragment> fragment = fragment_builder.ToBoxFragment();
     for (const auto& child : fragment->Children()) {
       fragments_out->push_back(toNGPhysicalTextFragment(child.get()));
     }
   }
 
   RefPtr<ComputedStyle> style_;
 };
 
@@ skipping 105 matching lines @@
   CreateLine(node, &fragments);
   ASSERT_EQ(5u, fragments.size());
   TEST_TEXT_FRAGMENT(fragments[0], node, 0u, 0u, 6u, TextDirection::kLtr);
   TEST_TEXT_FRAGMENT(fragments[1], node, 6u, 16u, 21u, TextDirection::kRtl);
   TEST_TEXT_FRAGMENT(fragments[2], node, 4u, 14u, 15u, TextDirection::kLtr);
   TEST_TEXT_FRAGMENT(fragments[3], node, 2u, 7u, 13u, TextDirection::kRtl);
   TEST_TEXT_FRAGMENT(fragments[4], node, 8u, 22u, 28u, TextDirection::kLtr);
 }
 
 }  // namespace blink