[LayoutNG] Make NG algorithms non-oilpan.

third_party/WebKit/Source/core/layout/ng/ng_block_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_block_layout_algorithm.h"
 
 #include "core/layout/ng/ng_absolute_utils.h"
 #include "core/layout/ng/ng_block_break_token.h"
 #include "core/layout/ng/ng_column_mapper.h"
 #include "core/layout/ng/ng_constraint_space.h"
@@ skipping 242 matching lines @@
 }
 
 }  // namespace
 
 NGBlockLayoutAlgorithm::NGBlockLayoutAlgorithm(
     LayoutObject* layout_object,
     PassRefPtr<const ComputedStyle> style,
     NGBlockNode* first_child,
     NGConstraintSpace* constraint_space,
     NGBreakToken* break_token)
-    : NGLayoutAlgorithm(kBlockLayoutAlgorithm),
-      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_);
 }
 
 bool NGBlockLayoutAlgorithm::ComputeMinAndMaxContentSizes(
     MinAndMaxContentSizes* sizes) const {
@@ skipping 437 matching lines @@
   curr_bfc_offset_.block_offset += content_size_;
   curr_bfc_offset_.inline_offset += border_and_padding_.inline_start;
   if (ConstraintSpace().IsNewFormattingContext()) {
     curr_bfc_offset_.inline_offset += curr_child_margins_.inline_start;
   }
   space_builder_->SetBfcOffset(curr_bfc_offset_);
 
   return space_builder_->ToConstraintSpace();
 }
 
-DEFINE_TRACE(NGBlockLayoutAlgorithm) {
-  NGLayoutAlgorithm::trace(visitor);
-  visitor->trace(first_child_);
-  visitor->trace(constraint_space_);
-  visitor->trace(break_token_);
-  visitor->trace(builder_);
-  visitor->trace(space_builder_);
-  visitor->trace(space_for_current_child_);
-  visitor->trace(current_child_);
-  visitor->trace(fragmentainer_mapper_);
-}
-
 }  // namespace blink