Avoid reporting 0 as input level when AudioProcessing zero out the audio data

content/renderer/media/webrtc_local_audio_track.h

Index: content/renderer/media/webrtc_local_audio_track.h
diff --git a/content/renderer/media/webrtc_local_audio_track.h b/content/renderer/media/webrtc_local_audio_track.h
index 7697ddf1d1248f2f0779b340f7105fa9f6426da8..fbebce378a093b4c9b95278697d056dfe716911c 100644
--- a/content/renderer/media/webrtc_local_audio_track.h
+++ b/content/renderer/media/webrtc_local_audio_track.h
@@ -70,7 +70,8 @@ class CONTENT_EXPORT WebRtcLocalAudioTrack
                base::TimeDelta delay,
                int volume,
                bool key_pressed,
-               bool need_audio_processing);
+               bool need_audio_processing,
+               bool has_energy);
 
   // Method called by the capturer to set the audio parameters used by source
   // of the capture data..