Remove VoECodec from FakeWebRtcVoiceEngine.

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 b57f4ee568b4dcf4bd441f7abb208fe5c49ef4f1..44003ec11536b8aeb5e4cfc64772cf1d3c2f4789 100644
--- a/webrtc/media/engine/webrtcvoiceengine_unittest.cc
+++ b/webrtc/media/engine/webrtcvoiceengine_unittest.cc
@@ -64,8 +64,7 @@ constexpr int kRtpHistoryMs = 5000;
 class FakeVoEWrapper : public cricket::VoEWrapper {
  public:
   explicit FakeVoEWrapper(cricket::FakeWebRtcVoiceEngine* engine)
-      : cricket::VoEWrapper(engine,  // base
-                            engine) {  // codec
+      : cricket::VoEWrapper(engine) {
   }
 };