[LayoutNG] Make NG algorithms non-oilpan.

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

Index: third_party/WebKit/Source/core/layout/ng/ng_text_layout_algorithm.cc
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_text_layout_algorithm.cc b/third_party/WebKit/Source/core/layout/ng/ng_text_layout_algorithm.cc
index 64a1c1f9b94f41f0ef03449f94fea1c089f3aa81..d3503ca885225cf3a977c83874ddde7734a9e675 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_text_layout_algorithm.cc
+++ b/third_party/WebKit/Source/core/layout/ng/ng_text_layout_algorithm.cc
@@ -19,8 +19,7 @@ NGTextLayoutAlgorithm::NGTextLayoutAlgorithm(
     NGInlineNode* inline_box,
     NGConstraintSpace* constraint_space,
     NGBreakToken* break_token)
-    : NGLayoutAlgorithm(kTextLayoutAlgorithm),
-      inline_box_(inline_box),
+    : inline_box_(inline_box),
       constraint_space_(constraint_space),
       break_token_(break_token) {
   DCHECK(inline_box_);
@@ -68,11 +67,4 @@ void NGTextLayoutAlgorithm::LayoutInline(NGLineBuilder* line_builder) {
   line_builder->CreateLine();
 }
 
-DEFINE_TRACE(NGTextLayoutAlgorithm) {
-  NGLayoutAlgorithm::trace(visitor);
-  visitor->trace(inline_box_);
-  visitor->trace(constraint_space_);
-  visitor->trace(break_token_);
-}
-
 }  // namespace blink