First step towards component build for Android.

media/base/android/media_player_bridge.h

Index: media/base/android/media_player_bridge.h
diff --git a/media/base/android/media_player_bridge.h b/media/base/android/media_player_bridge.h
index 242b0710cc49ca736bcf543b47961b6088057fcd..de777b24d0bcb1db9de188e4ca986ba7c2b76e86 100644
--- a/media/base/android/media_player_bridge.h
+++ b/media/base/android/media_player_bridge.h
@@ -15,6 +15,7 @@
 #include "base/memory/weak_ptr.h"
 #include "base/time.h"
 #include "base/timer.h"
+#include "media/base/media_export.h"
 #include "media/base/android/media_player_listener.h"
 
 namespace media {
@@ -29,7 +30,7 @@ class MediaPlayerBridgeManager;
 // Pause(), SeekTo() gets called. As a result, media information may not
 // be available until one of those operations is performed. After that, we
 // will cache those information in case the mediaplayer gets released.
-class MediaPlayerBridge {
+class MEDIA_EXPORT MediaPlayerBridge {
  public:
   // Error types for MediaErrorCB.
   enum MediaErrorType {