Now pass ADM as a constructor argument to audio_state.

webrtc/media/engine/webrtcvoiceengine_unittest.cc

 /*
  *  Copyright (c) 2008 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 3339 matching lines @@
       webrtc::Call::Create(webrtc::Call::Config()));
   cricket::VoiceMediaChannel* channel = engine.CreateChannel(
       call.get(), cricket::MediaConfig(), cricket::AudioOptions());
   EXPECT_TRUE(channel != nullptr);
   delete channel;
 }
 
 // Tests that reference counting on the external ADM is correct.
 TEST(WebRtcVoiceEngineTest, StartupShutdownWithExternalADM) {
   testing::NiceMock<webrtc::test::MockAudioDeviceModule> adm;
-  EXPECT_CALL(adm, AddRef()).Times(3).WillRepeatedly(Return(0));
-  EXPECT_CALL(adm, Release()).Times(3).WillRepeatedly(Return(0));
+  EXPECT_CALL(adm, AddRef()).Times(4).WillRepeatedly(Return(0));
+  EXPECT_CALL(adm, Release()).Times(4).WillRepeatedly(Return(0));
   {
     cricket::WebRtcVoiceEngine engine(
         &adm, webrtc::MockAudioDecoderFactory::CreateUnusedFactory());
     std::unique_ptr<webrtc::Call> call(
         webrtc::Call::Create(webrtc::Call::Config()));
     cricket::VoiceMediaChannel* channel = engine.CreateChannel(
         call.get(), cricket::MediaConfig(), cricket::AudioOptions());
     EXPECT_TRUE(channel != nullptr);
     delete channel;
   }
@@ skipping 121 matching lines @@
   cricket::WebRtcVoiceEngine engine(
       nullptr, webrtc::CreateBuiltinAudioDecoderFactory());
   std::unique_ptr<webrtc::Call> call(
       webrtc::Call::Create(webrtc::Call::Config()));
   cricket::WebRtcVoiceMediaChannel channel(&engine, cricket::MediaConfig(),
                                            cricket::AudioOptions(), call.get());
   cricket::AudioRecvParameters parameters;
   parameters.codecs = engine.recv_codecs();
   EXPECT_TRUE(channel.SetRecvParameters(parameters));
 }