media: Add MediaOzonePlatform support

media/types/media_types_export.h

Index: media/types/media_types_export.h
diff --git a/media/types/media_types_export.h b/media/types/media_types_export.h
new file mode 100644
index 0000000000000000000000000000000000000000..2a2b761f330be1b7aa6ec28e3d365968baff8189
--- /dev/null
+++ b/media/types/media_types_export.h
@@ -0,0 +1,37 @@
+// Copyright 2014 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 MEDIA_TYPES_MEDIA_TYPES_EXPORT_H_
+#define MEDIA_TYPES_MEDIA_TYPES_EXPORT_H_
+
+// Defines MEDIA_TYPES_EXPORT so that functionality implemented by the
+// MEDIA_TYPES module can be exported to consumers.
+
+#if defined(COMPONENT_BUILD)
+
+#if defined(WIN32)
+
+#if defined(MEDIA_TYPES_IMPLEMENTATION)
+#define MEDIA_TYPES_EXPORT __declspec(dllexport)
+#else
+#define MEDIA_TYPES_EXPORT __declspec(dllimport)
+#endif
+
+#else  // !defined(WIN32)
+
+#if defined(MEDIA_TYPES_IMPLEMENTATION)
+#define MEDIA_TYPES_EXPORT __attribute__((visibility("default")))
+#else
+#define MEDIA_TYPES_EXPORT
+#endif
+
+#endif
+
+#else  // !defined(COMPONENT_BUILD)
+
+#define MEDIA_TYPES_EXPORT
+
+#endif
+
+#endif  // MEDIA_TYPES_MEDIA_TYPES_EXPORT_H_