[LayoutNG] Remove the state machine from ng_out_of_flow_layout_part.

third_party/WebKit/Source/core/layout/ng/ng_block_node.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_block_node.h"
 
 #include "core/layout/LayoutBlockFlow.h"
 #include "core/layout/api/LineLayoutAPIShim.h"
 #include "core/layout/line/InlineIterator.h"
 #include "core/layout/ng/layout_ng_block_flow.h"
@@ skipping 21 matching lines @@
       layout_box_(nullptr),
       style_(style) {
   DCHECK(style_);
 }
 
 // Need an explicit destructor in the .cc file, or the MSWIN compiler will
 // produce an error when attempting to generate a default one, if the .h file is
 // included from a compilation unit that lacks the ComputedStyle definition.
 NGBlockNode::~NGBlockNode() {}
 
+void NGBlockNode::LayoutSync(NGConstraintSpace* constraint_space,
+                             NGFragment** out) {
+  while (!Layout(constraint_space, out))
+    continue;
+}
+
 bool NGBlockNode::Layout(NGConstraintSpace* constraint_space,
                          NGFragment** out) {
   DCHECK(!minmax_algorithm_)
       << "Can't interleave Layout and ComputeMinAndMaxContentSizes";
   // We can either use the new layout code to do the layout and then copy the
   // resulting size to the LayoutObject, or use the old layout code and
   // synthesize a fragment.
   if (CanUseNewLayout()) {
     NGPhysicalFragment* fragment;
 
@@ skipping 20 matching lines @@
 }
 
 void NGBlockNode::UpdateLayoutBox(NGPhysicalBoxFragment* fragment,
                                   const NGConstraintSpace* constraint_space) {
   fragment_ = fragment;
   if (layout_box_) {
     CopyFragmentDataToLayoutBox(*constraint_space);
   }
 }
 
+MinAndMaxContentSizes NGBlockNode::ComputeMinAndMaxContentSizesSync() {
+  MinAndMaxContentSizes sizes;
+  while (!ComputeMinAndMaxContentSizes(&sizes))
+    continue;
+  return sizes;
+}
+
 bool NGBlockNode::ComputeMinAndMaxContentSizes(MinAndMaxContentSizes* sizes) {
   if (!CanUseNewLayout()) {
     DCHECK(layout_box_);
     // TODO(layout-ng): This could be somewhat optimized by directly calling
     // computeIntrinsicLogicalWidths, but that function is currently private.
     // Consider doing that if this becomes a performance issue.
     LayoutUnit borderAndPadding = layout_box_->borderAndPaddingLogicalWidth();
     sizes->min_content = layout_box_->computeLogicalWidthUsing(
                              MainOrPreferredSize, Length(MinContent),
                              LayoutUnit(), layout_box_->containingBlock()) -
@@ skipping 248 matching lines @@
   return builder.ToBoxFragment();
 }
 
 void NGBlockNode::UseOldOutOfFlowPositioning() {
   DCHECK(layout_box_);
   DCHECK(layout_box_->isOutOfFlowPositioned());
   layout_box_->containingBlock()->insertPositionedObject(layout_box_);
 }
 
 }  // namespace blink