Remove VoEAudioProcessing interface.

webrtc/voice_engine/transmit_mixer.h

Index: webrtc/voice_engine/transmit_mixer.h
diff --git a/webrtc/voice_engine/transmit_mixer.h b/webrtc/voice_engine/transmit_mixer.h
index 7120b6500a0a32d0b05590a9a54619e690d4aa6a..2e728f8e1caa4f7164e554b9c20efce4a913ac94 100644
--- a/webrtc/voice_engine/transmit_mixer.h
+++ b/webrtc/voice_engine/transmit_mixer.h
@@ -145,16 +145,6 @@ public:
 
     void RecordFileEnded(const int32_t id);
 
-#if WEBRTC_VOICE_ENGINE_TYPING_DETECTION

[henrika_webrtc, 2017/03/10 14:49:57]

Not clear to me why these parts can be removed.

[the sun, 2017/03/10 20:06:48]

Because they were only being called from:
https://chromium.googlesource.com/external/webrtc/+/master/webrtc/voice_engin...
and below. 

-    // Typing detection
-    int TimeSinceLastTyping(int &seconds);
-    int SetTypingDetectionParameters(int timeWindow,
-                                     int costPerTyping,
-                                     int reportingThreshold,
-                                     int penaltyDecay,
-                                     int typeEventDelay);
-#endif
-
   // Virtual to allow mocking.
   virtual void EnableStereoChannelSwapping(bool enable);
   bool IsStereoChannelSwappingEnabled();