Free (and pause) audio resources when getting a phone call

media/base/android/media_player_listener.h

Index: media/base/android/media_player_listener.h
diff --git a/media/base/android/media_player_listener.h b/media/base/android/media_player_listener.h
index e88faae041878ead61fe6193c5c3fa169ab39573..e8f4d1c528de8e10d109055fa679f6f03ba2a225 100644
--- a/media/base/android/media_player_listener.h
+++ b/media/base/android/media_player_listener.h
@@ -40,9 +40,11 @@ class MediaPlayerListener {
   void OnPlaybackComplete(JNIEnv* /* env */, jobject /* obj */);
   void OnSeekComplete(JNIEnv* /* env */, jobject /* obj */);
   void OnMediaPrepared(JNIEnv* /* env */, jobject /* obj */);
+  void OnMediaInterrupted(JNIEnv* /* env */, jobject /* obj */);
 
   // Create a Java MediaPlayerListener object.
   void CreateMediaPlayerListener(jobject context, jobject media_player);
+  void ReleaseMediaPlayerListenerResources();
 
   // Register MediaPlayerListener in the system library loader.
   static bool RegisterMediaPlayerListener(JNIEnv* env);
@@ -54,6 +56,8 @@ class MediaPlayerListener {
   // The MediaPlayerBridge object all the callbacks should be send to.
   base::WeakPtr<MediaPlayerBridge> media_player_;
 
+  base::android::ScopedJavaGlobalRef<jobject> j_media_player_listener_;
+
   DISALLOW_COPY_AND_ASSIGN(MediaPlayerListener);
 };