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diff --git a/core/fpdfapi/include/cpdf_pagerendercontext.h b/core/fpdfapi/include/cpdf_pagerendercontext.h
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+++ b/core/fpdfapi/include/cpdf_pagerendercontext.h
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+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_INCLUDE_CPDF_PAGERENDERCONTEXT_H_
+#define CORE_FPDFAPI_INCLUDE_CPDF_PAGERENDERCONTEXT_H_
+
+#include <memory>
+
+class CFX_RenderDevice;
+class CPDF_AnnotList;
+class CPDF_ProgressiveRenderer;
+class CPDF_RenderContext;
+class CPDF_RenderOptions;
+
+// Everything about rendering is put here: for OOM recovery
+class CPDF_PageRenderContext {
+ public:
+  CPDF_PageRenderContext();
+  ~CPDF_PageRenderContext();
+
+  std::unique_ptr<CFX_RenderDevice> m_pDevice;
+  std::unique_ptr<CPDF_RenderContext> m_pContext;
+  std::unique_ptr<CPDF_ProgressiveRenderer> m_pRenderer;
+  std::unique_ptr<CPDF_AnnotList> m_pAnnots;
+  std::unique_ptr<CPDF_RenderOptions> m_pOptions;
+};
+
+#endif  // CORE_FPDFAPI_INCLUDE_CPDF_PAGERENDERCONTEXT_H_