[LayoutNG] Change core/layout/ng to Chromium style and rename files.

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

+// 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 NGFragment_h
+#define NGFragment_h
+
+#include "core/CoreExport.h"
+#include "platform/LayoutUnit.h"
+#include "platform/heap/Handle.h"
+#include "wtf/Vector.h"
+
+namespace blink {
+
+class CORE_EXPORT NGFragment final : public GarbageCollected<NGFragment> {
+ public:
+  NGFragment(LayoutUnit inlineSize,
+             LayoutUnit blockSize,
+             LayoutUnit inlineOverflow,
+             LayoutUnit blockOverflow);
+
+  // Returns the border-box size.
+  LayoutUnit inlineSize() const { return m_inlineSize; }
+  LayoutUnit blockSize() const { return m_blockSize; }
+
+  // Returns the total size, including the contents outside of the border-box.
+  LayoutUnit inlineOverflow() const { return m_inlineOverflow; }
+  LayoutUnit blockOverflow() const { return m_blockOverflow; }
+
+  // Returns the offset relative to the parent fragement's content-box.
+  LayoutUnit inlineOffset() const { return m_inlineOffset; }
+  LayoutUnit blockOffset() const { return m_blockOffset; }
+
+  // Should only be used by the parent fragement's layout.
+  void setOffset(LayoutUnit inlineOffset, LayoutUnit blockOffset);
+
+  DECLARE_TRACE();
+
+ private:
+  LayoutUnit m_inlineSize;
+  LayoutUnit m_blockSize;
+
+  LayoutUnit m_inlineOverflow;
+  LayoutUnit m_blockOverflow;
+
+  LayoutUnit m_inlineOffset;
+  LayoutUnit m_blockOffset;
+
+  HeapVector<Member<const NGFragment>> m_children;
+};
+
+}  // namespace blink
+
+#endif  // NGFragment_h