[LayoutNG] Make NG algorithms non-oilpan.

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

Index: third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.cc
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.cc b/third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.cc
index f7e50974feb37ecd66b448e51343c3a889923e57..80c877909c1f43faad520520ecb33c2e8f2a44a0 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.cc
+++ b/third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.cc
@@ -260,8 +260,7 @@ NGBlockLayoutAlgorithm::NGBlockLayoutAlgorithm(
     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),
@@ -719,16 +718,4 @@ NGBlockLayoutAlgorithm::CreateConstraintSpaceForCurrentChild() {
   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