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 516293d71497e1dadd6a72579518048eea7dfeb2..8d732ae900139c5dca8be5a26e761dee5a3a3202 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; }