Initial implementation of Collapsing Margins computational logic for LayoutNG

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

Index: third_party/WebKit/Source/core/layout/ng/ng_margin_strut.h
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_margin_strut.h b/third_party/WebKit/Source/core/layout/ng/ng_margin_strut.h
deleted file mode 100644
index f8d76bf98fa7ca6f0420a9315b7b9d44a8b04f60..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/layout/ng/ng_margin_strut.h
+++ /dev/null
@@ -1,24 +0,0 @@
-// 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.
-
-#ifndef NGMarginStrut_h
-#define NGMarginStrut_h
-
-#include "core/CoreExport.h"
-#include "platform/LayoutUnit.h"
-
-namespace blink {
-
-// This struct is used for the margin collapsing calculation.
-struct NGMarginStrut {
-  LayoutUnit margin_block_start;
-  LayoutUnit margin_block_end;
-
-  LayoutUnit negative_margin_block_start;
-  LayoutUnit negative_margin_block_end;
-};
-
-}  // namespace blink
-
-#endif  // NGMarginStrut_h