Remove usage of VoEVolumeControl from WVoE and Audio[Send|Receive]Stream.

webrtc/media/engine/webrtcvoiceengine_unittest.cc

Index: webrtc/media/engine/webrtcvoiceengine_unittest.cc
diff --git a/webrtc/media/engine/webrtcvoiceengine_unittest.cc b/webrtc/media/engine/webrtcvoiceengine_unittest.cc
index 38d224393c44785ffa728ab842be723ef1233d47..f8beb52caad7fd25cc234628d582a33946bf57b4 100644
--- a/webrtc/media/engine/webrtcvoiceengine_unittest.cc
+++ b/webrtc/media/engine/webrtcvoiceengine_unittest.cc
@@ -61,8 +61,7 @@ class FakeVoEWrapper : public cricket::VoEWrapper {
   explicit FakeVoEWrapper(cricket::FakeWebRtcVoiceEngine* engine)
       : cricket::VoEWrapper(engine,  // base
                             engine,  // codec
-                            engine,  // hw
-                            engine) {  // volume
+                            engine) {  // hw
   }
 };