Initial implementation of WebUI generator (WUG) toolkit.

components/webui_generator/export.h

Index: components/webui_generator/export.h
diff --git a/components/webui_generator/export.h b/components/webui_generator/export.h
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+// Copyright 2015 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 COMPONENTS_WUG_EXPORT_H_
+#define COMPONENTS_WUG_EXPORT_H_
+
+#if defined(COMPONENT_BUILD)
+
+#if defined(WIN32)
+
+#if defined(WUG_IMPLEMENTATION)
+#define WUG_EXPORT __declspec(dllexport)
+#else
+#define WUG_EXPORT __declspec(dllimport)
+#endif  // defined(WUG_IMPLEMENTATION)
+
+#else  // defined(WIN32)
+
+#if defined(WUG_IMPLEMENTATION)
+#define WUG_EXPORT __attribute__((visibility("default")))
+#else
+#define WUG_EXPORT
+#endif  // defined(WUG_IMPLEMENTATION)
+
+#endif  // defined(WIN32)
+
+#else  // defined(COMPONENT_BUILD)
+
+#define WUG_EXPORT
+
+#endif
+
+#endif  // COMPONENTS_WUG_EXPORT_H_