1 files changed, 29 insertions, 0 deletions
diff --git a/ui/base/ui_export.h b/ui/base/ui_export.h
new file mode 100644
index 0000000..c54de1f
--- /dev/null
+++ b/ui/base/ui_export.h
@@ -0,0 +1,29 @@
+// 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 UI_UI_EXPORT_H_
+#define UI_UI_EXPORT_H_
+#pragma once
+
+// Defines UI_EXPORT so that functionality implemented by the UI module can be
+// exported to consumers.
+
+#if defined(COMPONENT_BUILD)
+#if defined(WIN32)
+
+#if defined(UI_IMPLEMENTATION)
+#define UI_EXPORT __declspec(dllexport)
+#else
+#define UI_EXPORT __declspec(dllimport)
+#endif  // defined(UI_IMPLEMENTATION)
+
+#else  // defined(WIN32)
+#define UI_EXPORT __attribute__((visibility("default")))
+#endif
+
+#else  // defined(COMPONENT_BUILD)
+#define UI_EXPORT
+#endif
+
+#endif  // UI_UI_EXPORT_H_