[LayoutNG] Make NG algorithms non-oilpan.

third_party/WebKit/Source/core/layout/ng/ng_inline_layout_algorithm.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_layout_algorithm.h"
 
 #include "core/layout/ng/ng_break_token.h"
 #include "core/layout/ng/ng_constraint_space.h"
 #include "core/layout/ng/ng_constraint_space_builder.h"
 #include "core/layout/ng/ng_fragment.h"
 #include "core/layout/ng/ng_fragment_builder.h"
 #include "core/layout/ng/ng_inline_node.h"
 #include "core/layout/ng/ng_length_utils.h"
 #include "core/layout/ng/ng_line_builder.h"
 #include "core/layout/ng/ng_physical_box_fragment.h"
 #include "core/style/ComputedStyle.h"
 
 namespace blink {
 
 NGInlineLayoutAlgorithm::NGInlineLayoutAlgorithm(
     LayoutObject* layout_object,
     PassRefPtr<const ComputedStyle> style,
     NGInlineNode* first_child,
     NGConstraintSpace* constraint_space,
     NGBreakToken* break_token)
-    : NGLayoutAlgorithm(kInlineLayoutAlgorithm),
-      style_(style),
+    : style_(style),
       first_child_(first_child),
       constraint_space_(constraint_space),
       break_token_(break_token),
       builder_(new NGFragmentBuilder(NGPhysicalFragment::kFragmentBox,
                                      layout_object)) {
   DCHECK(style_);
 }
 
 NGPhysicalFragment* NGInlineLayoutAlgorithm::Layout() {
   // TODO(kojii): Implement sizing and child constraint spaces. Share common
@@ skipping 20 matching lines @@
 NGConstraintSpace* NGInlineLayoutAlgorithm::CreateConstraintSpaceForChild(
     const NGInlineNode& child) const {
   // TODO(kojii): Implement child constraint space.
   NGConstraintSpace* child_space =
       NGConstraintSpaceBuilder(constraint_space_->WritingMode())
           .SetTextDirection(constraint_space_->Direction())
           .ToConstraintSpace();
   return child_space;
 }
 
-DEFINE_TRACE(NGInlineLayoutAlgorithm) {
-  NGLayoutAlgorithm::trace(visitor);
-  visitor->trace(first_child_);
-  visitor->trace(constraint_space_);
-  visitor->trace(break_token_);
-  visitor->trace(builder_);
-}
-
 }  // namespace blink