[LayoutNG] Make NGBlockLayoutAlgorithm accept a NGBlockNode.

third_party/WebKit/Source/core/layout/ng/ng_fragment_builder.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_fragment_builder.h"
 
 #include "core/layout/ng/ng_block_node.h"
 #include "core/layout/ng/ng_break_token.h"
 #include "core/layout/ng/ng_fragment.h"
 #include "core/layout/ng/ng_physical_box_fragment.h"
 #include "core/layout/ng/ng_physical_text_fragment.h"
 
 namespace blink {
 
 // TODO(ikilpatrick): Make writing mode and direction be in the constructor.
 NGFragmentBuilder::NGFragmentBuilder(NGPhysicalFragment::NGFragmentType type,
-                                     LayoutObject* layout_object)
+                                     NGLayoutInputNode* node)
     : type_(type),
       writing_mode_(kHorizontalTopBottom),
       direction_(TextDirection::kLtr),
-      layout_object_(layout_object) {}
+      node_(node) {}
 
 NGFragmentBuilder& NGFragmentBuilder::SetWritingMode(
     NGWritingMode writing_mode) {
   writing_mode_ = writing_mode;
   return *this;
 }
 
 NGFragmentBuilder& NGFragmentBuilder::SetDirection(TextDirection direction) {
   direction_ = direction;
   return *this;
@@ skipping 132 matching lines @@
 
   for (size_t i = 0; i < positioned_floats_.size(); ++i) {
     Persistent<NGFloatingObject>& floating_object = positioned_floats_[i];
     NGPhysicalFragment* floating_fragment = floating_object->fragment.get();
     floating_fragment->SetOffset(floating_object_offsets_[i].ConvertToPhysical(
         writing_mode_, direction_, physical_size, floating_fragment->Size()));
     positioned_floats.push_back(floating_object);
   }
 
   return adoptRef(new NGPhysicalBoxFragment(
-      layout_object_, physical_size, overflow_.ConvertToPhysical(writing_mode_),
-      children_, out_of_flow_descendants_, out_of_flow_positions_,
-      unpositioned_floats_, positioned_floats_, bfc_offset_, end_margin_strut_,
-      break_token));
+      node_->GetLayoutObject(), physical_size,
+      overflow_.ConvertToPhysical(writing_mode_), children_,
+      out_of_flow_descendants_, out_of_flow_positions_, unpositioned_floats_,
+      positioned_floats_, bfc_offset_, end_margin_strut_, break_token));
 }
 
 RefPtr<NGPhysicalTextFragment> NGFragmentBuilder::ToTextFragment(
-    NGInlineNode* node,
     unsigned index,
     unsigned start_offset,
     unsigned end_offset) {
   DCHECK_EQ(type_, NGPhysicalFragment::kFragmentText);
   DCHECK(children_.isEmpty());
   DCHECK(offsets_.isEmpty());
 
   Vector<Persistent<NGFloatingObject>> empty_unpositioned_floats;
   Vector<Persistent<NGFloatingObject>> empty_positioned_floats;
 
   return adoptRef(new NGPhysicalTextFragment(
-      layout_object_, node, index, start_offset, end_offset,
-      size_.ConvertToPhysical(writing_mode_),
+      node_->GetLayoutObject(), toNGInlineNode(node_), index, start_offset,
+      end_offset, size_.ConvertToPhysical(writing_mode_),
       overflow_.ConvertToPhysical(writing_mode_), out_of_flow_descendants_,
       out_of_flow_positions_, empty_unpositioned_floats,
       empty_positioned_floats));
 }
 
 }  // namespace blink