--- /dev/null
+// Copyright (c) 2009 The Chromium Embedded Framework Authors. All rights
+// reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the name Chromium Embedded
+// Framework nor the names of its contributors may be used to endorse
+// or promote products derived from this software without specific prior
+// written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef CEF_INCLUDE_INTERNAL_CEF_EXPORT_H_
+#define CEF_INCLUDE_INTERNAL_CEF_EXPORT_H_
+#pragma once
+
+#include "include/base/cef_build.h"
+
+#if defined(COMPILER_MSVC)
+
+#ifdef BUILDING_CEF_SHARED
+#define CEF_EXPORT __declspec(dllexport)
+#elif USING_CEF_SHARED
+#define CEF_EXPORT __declspec(dllimport)
+#else
+#define CEF_EXPORT
+#endif
+#define CEF_CALLBACK __stdcall
+
+#elif defined(COMPILER_GCC)
+
+#define CEF_EXPORT __attribute__ ((visibility("default")))
+#define CEF_CALLBACK
+
+#endif // COMPILER_GCC
+
+#endif // CEF_INCLUDE_INTERNAL_CEF_EXPORT_H_