[LayoutNG] Remove the state machine from ng_out_of_flow_layout_part.

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

Index: third_party/WebKit/Source/core/layout/ng/ng_absolute_utils.cc
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_absolute_utils.cc b/third_party/WebKit/Source/core/layout/ng/ng_absolute_utils.cc
index 35bdbccda698338c5a759763de7fe8acbb66bd5e..f9791360f3cf8ec69649fdf4239de6e8562f5720 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_absolute_utils.cc
+++ b/third_party/WebKit/Source/core/layout/ng/ng_absolute_utils.cc
@@ -335,6 +335,17 @@ bool AbsoluteNeedsChildInlineSize(const ComputedStyle& style) {
     return AbsoluteVerticalNeedsEstimate(style);
 }
 
+bool IsContainingBlockForAbsoluteChild(const ComputedStyle& container_style,
+                                       const ComputedStyle& child_style) {
+  EPosition position = child_style.position();
+  bool contains_fixed = container_style.canContainFixedPositionObjects();
+  bool contains_absolute =
+      container_style.canContainAbsolutePositionObjects() || contains_fixed;
+
+  return (contains_absolute && position == AbsolutePosition) ||
+         (contains_fixed && position == FixedPosition);
+}
+
 NGAbsolutePhysicalPosition ComputePartialAbsoluteWithChildInlineSize(
     const NGConstraintSpace& space,
     const ComputedStyle& style,