Remove WVoE::SetAudioDeviceModule() - it is now set in ctor.

webrtc/media/engine/nullwebrtcvideoengine_unittest.cc

Index: webrtc/media/engine/nullwebrtcvideoengine_unittest.cc
diff --git a/webrtc/media/engine/nullwebrtcvideoengine_unittest.cc b/webrtc/media/engine/nullwebrtcvideoengine_unittest.cc
index cf5f5076e07b2960c0ca9466723c9ae2219c08d8..693ec2678ab80943f7bec08ae798091fe5f15c2a 100644
--- a/webrtc/media/engine/nullwebrtcvideoengine_unittest.cc
+++ b/webrtc/media/engine/nullwebrtcvideoengine_unittest.cc
@@ -20,8 +20,8 @@ class WebRtcMediaEngineNullVideo
  public:
   WebRtcMediaEngineNullVideo(webrtc::AudioDeviceModule* adm,
                              WebRtcVideoEncoderFactory* encoder_factory,
-                             WebRtcVideoDecoderFactory* decoder_factory) {
-    voice_.SetAudioDeviceModule(adm);
+                             WebRtcVideoDecoderFactory* decoder_factory)
+      : CompositeMediaEngine<WebRtcVoiceEngine, NullWebRtcVideoEngine>(adm) {
     video_.SetExternalDecoderFactory(decoder_factory);
     video_.SetExternalEncoderFactory(encoder_factory);
   }
@@ -32,7 +32,7 @@ class WebRtcMediaEngineNullVideo
 TEST(NullWebRtcVideoEngineTest, CheckInterface) {
   WebRtcMediaEngineNullVideo engine(nullptr, nullptr, nullptr);
 
-  EXPECT_TRUE(engine.Init(rtc::Thread::Current()));
+  EXPECT_TRUE(engine.Init());
   engine.Terminate();
 }