Reverted the code for the non-interactive audible tab notification

media/base/android/media_codec_player_unittest.cc

Index: media/base/android/media_codec_player_unittest.cc
diff --git a/media/base/android/media_codec_player_unittest.cc b/media/base/android/media_codec_player_unittest.cc
index e57f7898d38c99436ea251c45287366b397c0205..a7f0dd374785b2b084727fc10f753e4a8616d9d3 100644
--- a/media/base/android/media_codec_player_unittest.cc
+++ b/media/base/android/media_codec_player_unittest.cc
@@ -99,7 +99,6 @@ class MockMediaPlayerManager : public MediaPlayerManager {
   }
   void OnError(int player_id, int error) override {}
   void OnVideoSizeChanged(int player_id, int width, int height) override {}
-  void OnAudibleStateChanged(int player_id, bool is_audible_now) override {}
   void OnWaitingForDecryptionKey(int player_id) override {}
   MediaPlayerAndroid* GetFullscreenPlayer() override { return nullptr; }
   MediaPlayerAndroid* GetPlayer(int player_id) override { return nullptr; }