use MEDIA_BLINK_EXPORT in media/blink

media/blink/media_blink_export.h

Index: media/blink/media_blink_export.h
diff --git a/media/blink/media_blink_export.h b/media/blink/media_blink_export.h
new file mode 100644
index 0000000000000000000000000000000000000000..42325e594e2cd8810fb3bfc049d5f99103c77c4f
--- /dev/null
+++ b/media/blink/media_blink_export.h
@@ -0,0 +1,32 @@
+// 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 MEDIA_BLINK_MEDIA_BLINK_EXPORT_H_
+#define MEDIA_BLINK_MEDIA_BLINK_EXPORT_H_
+
+// Define MEDIA_BLINK_EXPORT so that functionality implemented by the
+// media/blink module can be exported to consumers.
+
+#if defined(COMPONENT_BUILD)
+#if defined(WIN32)
+
+#if defined(MEDIA_BLINK_IMPLEMENTATION)
+#define MEDIA_BLINK_EXPORT __declspec(dllexport)
+#else
+#define MEDIA_BLINK_EXPORT __declspec(dllimport)
+#endif  // defined(MEDIA_IMPLEMENTATION)
+
+#else  // defined(WIN32)
+#if defined(MEDIA_BLINK_IMPLEMENTATION)
+#define MEDIA_BLINK_EXPORT __attribute__((visibility("default")))
+#else
+#define MEDIA_BLINK_EXPORT
+#endif
+#endif
+
+#else  // defined(COMPONENT_BUILD)
+#define MEDIA_BLINK_EXPORT
+#endif
+
+#endif  // MEDIA_BLINK_MEDIA_BLINK_EXPORT_H_