import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

layout/ipc/RenderFrameChild.h

@@ -0,0 +1,33 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=8 et :
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_RenderFrameChild_h
+#define mozilla_dom_RenderFrameChild_h
+
+#include "mozilla/layout/PRenderFrameChild.h"
+
+namespace mozilla {
+namespace layout {
+
+class RenderFrameChild : public PRenderFrameChild
+{
+public:
+  RenderFrameChild() : mWasDestroyed(false) {}
+  virtual ~RenderFrameChild() {}
+
+  void ActorDestroy(ActorDestroyReason why) override;
+
+  void Destroy();
+
+private:
+  bool mWasDestroyed;
+};
+
+} // namespace layout
+} // namespace mozilla
+
+#endif  // mozilla_dom_RenderFrameChild_h