1 files changed, 42 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/core/layout/ng/mathml/ng_math_row_layout_algorithm.h b/chromium/third_party/blink/renderer/core/layout/ng/mathml/ng_math_row_layout_algorithm.h
new file mode 100644
index 00000000000..72b8dd10b40
--- /dev/null
+++ b/chromium/third_party/blink/renderer/core/layout/ng/mathml/ng_math_row_layout_algorithm.h
@@ -0,0 +1,42 @@
+// Copyright 2019 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.
+
+#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_MATHML_NG_MATH_ROW_LAYOUT_ALGORITHM_H_
+#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_MATHML_NG_MATH_ROW_LAYOUT_ALGORITHM_H_
+
+#include "third_party/blink/renderer/core/layout/ng/ng_block_break_token.h"
+#include "third_party/blink/renderer/core/layout/ng/ng_block_node.h"
+#include "third_party/blink/renderer/core/layout/ng/ng_box_fragment_builder.h"
+#include "third_party/blink/renderer/core/layout/ng/ng_layout_algorithm.h"
+
+namespace blink {
+
+class LayoutUnit;
+
+class CORE_EXPORT NGMathRowLayoutAlgorithm
+    : public NGLayoutAlgorithm<NGBlockNode,
+                               NGBoxFragmentBuilder,
+                               NGBlockBreakToken> {
+ public:
+  NGMathRowLayoutAlgorithm(const NGLayoutAlgorithmParams& params);
+
+ protected:
+  void LayoutRowItems(NGContainerFragmentBuilder::ChildrenVector*,
+                      LayoutUnit* max_row_block_baseline,
+                      LogicalSize* row_total_size);
+
+ private:
+  scoped_refptr<const NGLayoutResult> Layout() final;
+
+  base::Optional<MinMaxSizes> ComputeMinMaxSizes(
+      const MinMaxSizesInput&) const final;
+
+  LogicalSize child_available_size_;
+  const NGBoxStrut border_padding_;
+  const NGBoxStrut border_scrollbar_padding_;
+};
+
+}  // namespace blink
+
+#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_MATHML_NG_MATH_ROW_LAYOUT_ALGORITHM_H_