Enable media.dll / libmedia.so.

media/filters/in_memory_url_protocol.h

Index: media/filters/in_memory_url_protocol.h
===================================================================
--- media/filters/in_memory_url_protocol.h	(revision 95624)
+++ media/filters/in_memory_url_protocol.h	(working copy)
@@ -5,10 +5,9 @@
 #ifndef MEDIA_FILTERS_IN_MEMORY_URL_PROTOCOL_H_
 #define MEDIA_FILTERS_IN_MEMORY_URL_PROTOCOL_H_
 
+#include "base/basictypes.h"
 #include "media/filters/ffmpeg_glue.h"
 
-#include "base/basictypes.h"
-
 namespace media {
 
 // Simple FFmpegURLProtocol that reads from a buffer.
@@ -16,7 +15,7 @@
 //       buffer pointer passed into the constructor
 //       needs to remain valid for the entire lifetime of
 //       this object.
-class InMemoryUrlProtocol : public FFmpegURLProtocol {
+class MEDIA_EXPORT InMemoryUrlProtocol : public FFmpegURLProtocol {
  public:
   InMemoryUrlProtocol(const uint8* buf, int64 size, bool streaming);
   virtual ~InMemoryUrlProtocol();