[LayoutNG] PODify NGLayoutInputNode and sub-classes.

third_party/WebKit/Source/core/layout/ng/inline/ng_text_fragment_builder.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/inline/ng_text_fragment_builder.h"
 
 #include "core/layout/ng/inline/ng_inline_node.h"
 #include "core/layout/ng/inline/ng_physical_text_fragment.h"
 #include "core/layout/ng/ng_fragment.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
-NGTextFragmentBuilder::NGTextFragmentBuilder(NGInlineNode* node)
+NGTextFragmentBuilder::NGTextFragmentBuilder(NGInlineNode node)
     : direction_(TextDirection::kLtr), node_(node) {}
 
 NGTextFragmentBuilder& NGTextFragmentBuilder::SetDirection(
     TextDirection direction) {
   direction_ = direction;
   return *this;
 }
 
 NGTextFragmentBuilder& NGTextFragmentBuilder::SetSize(
     const NGLogicalSize& size) {
   size_ = size;
   return *this;
 }
 
 void NGTextFragmentBuilder::UniteMetrics(const NGLineHeightMetrics& metrics) {
   metrics_.Unite(metrics);
 }
 
 RefPtr<NGPhysicalTextFragment> NGTextFragmentBuilder::ToTextFragment(
     unsigned index,
     unsigned start_offset,
     unsigned end_offset) {
   NGWritingMode writing_mode(
-      FromPlatformWritingMode(node_->Style().GetWritingMode()));
+      FromPlatformWritingMode(node_.Style().GetWritingMode()));
   return AdoptRef(new NGPhysicalTextFragment(
-      node_->GetLayoutObject(), node_, index, start_offset, end_offset,
+      node_.GetLayoutObject(), node_, index, start_offset, end_offset,
       size_.ConvertToPhysical(writing_mode)));
 }
 
 }  // namespace blink