--- a/media/libstagefright/stubs/include/media/stagefright/foundation/AMessage.h
+++ b/media/libstagefright/stubs/include/media/stagefright/foundation/AMessage.h
@@ -1,14 +1,16 @@
 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/ */
 
 #ifndef A_MESSAGE_H_
 #define A_MESSAGE_H_
 
+#include <utils/RefBase.h>
+
 namespace stagefright {
 
 struct AMessage : public RefBase {
 public:
     void post() {}
 };
 
 }

--- a/media/libstagefright/stubs/include/ui/GraphicBuffer.h
+++ b/media/libstagefright/stubs/include/ui/GraphicBuffer.h
@@ -1,14 +1,16 @@
 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/ */
 
 #ifndef GRAPHIC_BUFFER_H_
 #define GRAPHIC_BUFFER_H_
 
+#include <utils/RefBase.h>
+
 namespace stagefright {
 
 class GraphicBuffer : public RefBase {
 };
 
 }
 
 #endif