Bug 1204382: Add #include for nsIInputStream.h to MediaParent.cpp, to fix a build error in --disable-webrtc builds. r=jib

dom/media/systemservices/MediaParent.cpp

@@ -15,8 +15,9 @@
 #include "nsThreadUtils.h"
 #include "nsNetCID.h"
 #include "nsNetUtil.h"
-#include "nsIOutputStream.h"
+#include "nsIInputStream.h"
 #include "nsILineInputStream.h"
+#include "nsIOutputStream.h"
 #include "nsISafeOutputStream.h"
 #include "nsAppDirectoryServiceDefs.h"
 #include "nsISupportsImpl.h"