[LayoutNG] Change anonymous LayoutBlockFlow to LayoutNGBlockFlow

third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 31 matching lines @@
 #include "core/layout/LayoutInline.h"
 #include "core/layout/LayoutMultiColumnFlowThread.h"
 #include "core/layout/LayoutMultiColumnSpannerPlaceholder.h"
 #include "core/layout/LayoutPagedFlowThread.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/TextAutosizer.h"
 #include "core/layout/line/GlyphOverflow.h"
 #include "core/layout/line/InlineIterator.h"
 #include "core/layout/line/InlineTextBox.h"
 #include "core/layout/line/LineWidth.h"
+#include "core/layout/ng/layout_ng_block_flow.h"
 #include "core/layout/shapes/ShapeOutsideInfo.h"
 #include "core/paint/BlockFlowPaintInvalidator.h"
 #include "core/paint/PaintLayer.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/wtf/PtrUtil.h"
 
 namespace blink {
 
 bool LayoutBlockFlow::can_propagate_float_into_sibling_ = false;
 
@@ skipping 187 matching lines @@
 
 LayoutBlockFlow::LayoutBlockFlow(ContainerNode* node) : LayoutBlock(node) {
   static_assert(sizeof(MarginInfo) == sizeof(SameSizeAsMarginInfo),
                 "MarginInfo should stay small");
   SetChildrenInline(true);
 }
 
 LayoutBlockFlow::~LayoutBlockFlow() {}
 
 LayoutBlockFlow* LayoutBlockFlow::CreateAnonymous(Document* document) {
-  LayoutBlockFlow* layout_block_flow = new LayoutBlockFlow(nullptr);
+  LayoutBlockFlow* layout_block_flow = RuntimeEnabledFeatures::layoutNGEnabled()
+                                           ? new LayoutNGBlockFlow(nullptr)
+                                           : new LayoutBlockFlow(nullptr);
   layout_block_flow->SetDocumentForAnonymous(document);
   return layout_block_flow;
 }
 
 LayoutObject* LayoutBlockFlow::LayoutSpecialExcludedChild(
     bool relayout_children,
     SubtreeLayoutScope& layout_scope) {
   LayoutMultiColumnFlowThread* flow_thread = MultiColumnFlowThread();
   if (!flow_thread)
     return nullptr;
@@ skipping 4385 matching lines @@
   return LayoutBlock::InvalidatePaint(paint_invalidation_state);
 }
 
 void LayoutBlockFlow::InvalidateDisplayItemClients(
     PaintInvalidationReason invalidation_reason) const {
   BlockFlowPaintInvalidator(*this).InvalidateDisplayItemClients(
       invalidation_reason);
 }
 
 }  // namespace blink