[LayoutNG] Move NGInlineNode data to NGInlineNodeData.

third_party/WebKit/Source/core/layout/ng/inline/ng_inline_node_data.h

+// Copyright 2017 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 NGInlineNodeData_h
+#define NGInlineNodeData_h
+
+#include "core/CoreExport.h"
+#include "core/layout/ng/inline/ng_inline_item.h"
+#include "platform/wtf/Vector.h"
+
+namespace blink {
+
+// Data which is required for inline nodes.
+struct CORE_EXPORT NGInlineNodeData {
+ private:
+  friend class NGInlineNode;
+  friend class NGInlineNodeForTest;
+
+  // Text content for all inline items represented by a single NGInlineNode.
+  // Encoded either as UTF-16 or latin-1 depending on the content.
+  String text_content_;
+  Vector<NGInlineItem> items_;
+
+  // TODO(kojii): This should move to somewhere else when we move PrepareLayout
+  // to the correct place.
+  bool is_bidi_enabled_ = false;
+};
+
+}  // namespace blink
+
+#endif  // NGInlineNode_h