[LayoutNG] Pull out of flow candidate loop into out of flow layout part.

third_party/WebKit/Source/core/layout/ng/ng_out_of_flow_layout_part.h

Index: third_party/WebKit/Source/core/layout/ng/ng_out_of_flow_layout_part.h
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_out_of_flow_layout_part.h b/third_party/WebKit/Source/core/layout/ng/ng_out_of_flow_layout_part.h
index fa30ecb68ef53883b001b2d030313d9891707a95..fcf647537e5fd03b41b74ec3e7c21ef66150b5d0 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_out_of_flow_layout_part.h
+++ b/third_party/WebKit/Source/core/layout/ng/ng_out_of_flow_layout_part.h
@@ -19,29 +19,36 @@ namespace blink {
 class ComputedStyle;
 class NGBlockNode;
 class NGFragment;
+class NGFragmentBuilder;
 class NGConstraintSpace;
 
 // Helper class for positioning of out-of-flow blocks.
 // It should be used together with NGFragmentBuilder.
 // See NGFragmentBuilder::AddOutOfFlowChildCandidate documentation
 // for example of using these classes together.
-class CORE_EXPORT NGOutOfFlowLayoutPart
-    : public GarbageCollectedFinalized<NGOutOfFlowLayoutPart> {
- public:
-  NGOutOfFlowLayoutPart(PassRefPtr<const ComputedStyle>, NGLogicalSize);
-
-  void Layout(NGBlockNode&, NGStaticPosition, NGFragment**, NGLogicalOffset*);
+class CORE_EXPORT NGOutOfFlowLayoutPart {
+  STACK_ALLOCATED();
 
-  DECLARE_TRACE();
+ public:
+  NGOutOfFlowLayoutPart(const ComputedStyle& container_style,
+                        NGFragmentBuilder* container_builder);
+  void Run();
 
  private:
+  NGFragment* LayoutDescendant(NGBlockNode& descendant,
+                               NGStaticPosition static_position,
+                               NGLogicalOffset* offset);
+
   NGFragment* GenerateFragment(NGBlockNode& node,
                                const Optional<LayoutUnit>& block_estimate,
                                const NGAbsolutePhysicalPosition node_position);
 
-  NGLogicalOffset parent_border_offset_;
-  NGPhysicalOffset parent_border_physical_offset_;
-  Member<NGConstraintSpace> parent_space_;
+  const ComputedStyle& container_style_;
+  Member<NGFragmentBuilder> container_builder_;
+
+  NGLogicalOffset container_border_offset_;
+  NGPhysicalOffset container_border_physical_offset_;
+  Member<NGConstraintSpace> container_space_;
 };
 
 }  // namespace blink