[LayoutNG] Allow block-flow layout to be fragmented using new approach.

third_party/WebKit/Source/core/layout/ng/ng_out_of_flow_layout_part.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_out_of_flow_layout_part.h"
 
 #include "core/layout/ng/ng_absolute_utils.h"
 #include "core/layout/ng/ng_block_node.h"
 #include "core/layout/ng/ng_box_fragment.h"
 #include "core/layout/ng/ng_constraint_space_builder.h"
@@ skipping 16 matching lines @@
   bool contains_absolute =
       container_style.canContainAbsolutePositionObjects() || contains_fixed;
 
   return (contains_absolute && position == EPosition::kAbsolute) ||
          (contains_fixed && position == EPosition::kFixed);
 }
 
 }  // namespace
 
 NGOutOfFlowLayoutPart::NGOutOfFlowLayoutPart(
+    const NGConstraintSpace& container_space,
     const ComputedStyle& container_style,
     NGFragmentBuilder* container_builder)
     : container_style_(container_style), container_builder_(container_builder) {
   NGWritingMode writing_mode(
       FromPlatformWritingMode(container_style_.getWritingMode()));
 
-  NGBoxStrut borders = ComputeBorders(container_style_);
+  NGBoxStrut borders = ComputeBorders(container_space, container_style_);
   container_border_offset_ =
       NGLogicalOffset{borders.inline_start, borders.block_start};
   container_border_physical_offset_ =
       container_border_offset_.ConvertToPhysical(
           writing_mode, container_style_.direction(),
           container_builder_->Size().ConvertToPhysical(writing_mode),
           NGPhysicalSize());
 
   NGLogicalSize space_size = container_builder_->Size();
   space_size.block_size -= borders.BlockSum();
@@ skipping 123 matching lines @@
     builder.SetIsFixedSizeBlock(true);
   builder.SetIsFixedSizeInline(true);
   builder.SetIsNewFormattingContext(true);
   NGConstraintSpace* space =
       builder.ToConstraintSpace(container_space_->WritingMode());
 
   return descendant.Layout(space);
 }
 
 }  // namespace blink