import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

layout/generic/nsRubyBaseFrame.h

@@ -0,0 +1,42 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code is subject to the terms of the Mozilla Public License
+ * version 2.0 (the "License"). You can obtain a copy of the License at
+ * http://mozilla.org/MPL/2.0/. */
+
+/* rendering object for CSS "display: ruby-base" */
+
+#ifndef nsRubyBaseFrame_h___
+#define nsRubyBaseFrame_h___
+
+#include "nsRubyContentFrame.h"
+
+/**
+ * Factory function.
+ * @return a newly allocated nsRubyBaseFrame (infallible)
+ */
+nsContainerFrame* NS_NewRubyBaseFrame(nsIPresShell* aPresShell,
+                                      nsStyleContext* aContext);
+
+class nsRubyBaseFrame final : public nsRubyContentFrame
+{
+public:
+  NS_DECL_FRAMEARENA_HELPERS
+  NS_DECL_QUERYFRAME_TARGET(nsRubyBaseFrame)
+  NS_DECL_QUERYFRAME
+
+  // nsIFrame overrides
+  virtual nsIAtom* GetType() const override;
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const override;
+#endif
+
+protected:
+  friend nsContainerFrame* NS_NewRubyBaseFrame(nsIPresShell* aPresShell,
+                                               nsStyleContext* aContext);
+  explicit nsRubyBaseFrame(nsStyleContext* aContext)
+    : nsRubyContentFrame(aContext) {}
+};
+
+#endif /* nsRubyBaseFrame_h___ */