1 files changed, 45 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/core/layout/ng/ng_replaced_layout_algorithm.cc b/chromium/third_party/blink/renderer/core/layout/ng/ng_replaced_layout_algorithm.cc
new file mode 100644
index 00000000000..3677440d619
--- /dev/null
+++ b/chromium/third_party/blink/renderer/core/layout/ng/ng_replaced_layout_algorithm.cc
@@ -0,0 +1,45 @@
+// Copyright 2020 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 "third_party/blink/renderer/core/layout/ng/ng_replaced_layout_algorithm.h"
+
+#include "third_party/blink/renderer/core/layout/layout_box.h"
+#include "third_party/blink/renderer/core/layout/layout_replaced.h"
+
+namespace blink {
+
+NGReplacedLayoutAlgorithm::NGReplacedLayoutAlgorithm(
+    const NGLayoutAlgorithmParams& params)
+    : NGLayoutAlgorithm(params),
+      // TODO(dgrogan): Use something from NGLayoutInputNode instead of
+      // accessing LayoutBox directly.
+      natural_size_(PhysicalSize(Node().GetLayoutBox()->IntrinsicSize())
+                        .ConvertToLogical(Style().GetWritingMode())) {}
+
+scoped_refptr<const NGLayoutResult> NGReplacedLayoutAlgorithm::Layout() {
+  DCHECK(!BreakToken());
+  // Set this as a legacy root so that legacy painters are used.
+  container_builder_.SetIsLegacyLayoutRoot();
+
+  // TODO(dgrogan): |natural_size_.block_size| is frequently not the correct
+  // intrinsic block size. Move |ComputeIntrinsicBlockSizeForAspectRatioElement|
+  // from NGFlexLayoutAlgorithm to ng_length_utils and call it here.
+  LayoutUnit intrinsic_block_size = natural_size_.block_size;
+  container_builder_.SetIntrinsicBlockSize(intrinsic_block_size +
+                                           BorderPadding().BlockSum());
+
+  return container_builder_.ToBoxFragment();
+}
+
+// TODO(dgrogan): |natural_size_.inline_size| is frequently not the correct
+// intrinsic inline size. Move NGFlexLayoutAlgorithm's
+// |ComputeIntrinsicInlineSizeForAspectRatioElement| to here.
+MinMaxSizesResult NGReplacedLayoutAlgorithm::ComputeMinMaxSizes(
+    const MinMaxSizesInput& child_input) const {
+  MinMaxSizes sizes({natural_size_.inline_size, natural_size_.inline_size});
+  sizes += BorderScrollbarPadding().InlineSum();
+  return {sizes, false};
+}
+
+}  // namespace blink