Index: third_party/WebKit/Source/core/layout/ng/ng_box.h |
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_box.h b/third_party/WebKit/Source/core/layout/ng/ng_box.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e2a9e2c3468d32099c831a868dc95aff8a5c3d7a |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/layout/ng/ng_box.h |
@@ -0,0 +1,39 @@ |
+// 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 NGBox_h |
+#define NGBox_h |
+ |
+#include "core/CoreExport.h" |
+#include "platform/heap/Handle.h" |
+ |
+namespace blink { |
+ |
+class ComputedStyle; |
+class LayoutObject; |
+class NGConstraintSpace; |
+class NGFragment; |
+ |
+// Represents a node to be laid out. |
+class CORE_EXPORT NGBox final { |
+ public: |
+ explicit NGBox(const LayoutObject* layoutObject) |
+ : m_layoutObject(layoutObject) {} |
+ |
+ operator bool() const { return m_layoutObject; } |
+ |
+ NGFragment* layout(const NGConstraintSpace&); |
+ const ComputedStyle* style() const; |
+ |
+ // TODO(layout-ng): Returning a children iterator would be better here. |
+ const NGBox firstChild() const; |
+ const NGBox nextSibling() const; |
+ |
+ private: |
+ const LayoutObject* m_layoutObject; |
+}; |
+ |
+} // namespace blink |
+ |
+#endif // NGBox_h |