Adding typing detection to the APM in chrome.

content/renderer/media/media_stream_audio_processor_options.h

Index: content/renderer/media/media_stream_audio_processor_options.h
diff --git a/content/renderer/media/media_stream_audio_processor_options.h b/content/renderer/media/media_stream_audio_processor_options.h
index 6057ae1f75f25f5068152d12b829e141835cc605..3977000d1d3ee9a164d3d3bd5e65103e60edf38c 100644
--- a/content/renderer/media/media_stream_audio_processor_options.h
+++ b/content/renderer/media/media_stream_audio_processor_options.h
@@ -16,6 +16,7 @@ namespace webrtc {
 class AudioFrame;
 class AudioProcessing;
 class MediaConstraintsInterface;
+class TypingDetection;
 
 }
 
@@ -57,7 +58,8 @@ void EnableNoiseSuppression(AudioProcessing* audio_processing);
 void EnableHighPassFilter(AudioProcessing* audio_processing);
 
 // Enables the typing detection in |audio_processing|.
-void EnableTypingDetection(AudioProcessing* audio_processing);
+void EnableTypingDetection(AudioProcessing* audio_processing,
+                           webrtc::TypingDetection* typing_detector);
 
 // Enables the experimental echo cancellation in |audio_processing|.
 void EnableExperimentalEchoCancellation(AudioProcessing* audio_processing);