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+// Copyright (c) 2011 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 IPC_IPC_OSP_EXPORT_
+#define IPC_IPC_OSP_EXPORT_
+#pragma once
+
+// Defines IPC_EXPORT so that functionality implemented by the IPC module can be
+// exported to consumers.
+
+#if defined(COMPONENT_BUILD)
+#if defined(WIN32)
+
+#if defined(IPC_IMPLEMENTATION)
+#define IPC_EXPORT __declspec(dllexport)
+#else
+#define IPC_EXPORT __declspec(dllimport)
+#endif // defined(IPC_IMPLEMENTATION)
+
+#else // defined(WIN32)
+#define IPC_EXPORT __attribute__((visibility("default")))
+#endif
+
+#else // defined(COMPONENT_BUILD)
+#define IPC_EXPORT
+#endif
+
+#endif // IPC_IPC_OSP_EXPORT_