Passed AudioMixer to AudioState::Config.

webrtc/audio/audio_state_unittest.cc

 /*
  *  Copyright (c) 2015 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.
  */
 
 #include <memory>
 
 #include "webrtc/audio/audio_state.h"
+#include "webrtc/modules/audio_mixer/audio_mixer_impl.h"
 #include "webrtc/test/gtest.h"
 #include "webrtc/test/mock_voice_engine.h"
 
 namespace webrtc {
 namespace test {
 namespace {
 
 struct ConfigHelper {
   ConfigHelper() {
     EXPECT_CALL(voice_engine_,
         RegisterVoiceEngineObserver(testing::_)).WillOnce(testing::Return(0));
     EXPECT_CALL(voice_engine_,
         DeRegisterVoiceEngineObserver()).WillOnce(testing::Return(0));
     EXPECT_CALL(voice_engine_, audio_device_module());
     EXPECT_CALL(voice_engine_, audio_processing());
     EXPECT_CALL(voice_engine_, audio_transport());
 
     config_.voice_engine = &voice_engine_;
+    config_.audio_mixer = AudioMixerImpl::Create();
   }
   AudioState::Config& config() { return config_; }
   MockVoiceEngine& voice_engine() { return voice_engine_; }
 
  private:
   testing::StrictMock<MockVoiceEngine> voice_engine_;
   AudioState::Config config_;
 };
 }  // namespace
 
@@ skipping 68 matching lines @@
   uint32_t new_mic_level;
   EXPECT_CALL(original_audio_transport,
               RecordedDataIsAvailable(nullptr, 80, 2, 1, 8000, 0, 0, 0, false,
                                       testing::Ref(new_mic_level)));
 
   audio_transport_proxy->RecordedDataIsAvailable(nullptr, 80, 2, 1, 8000, 0, 0,
                                                  0, false, new_mic_level);
 }
 }  // namespace test
 }  // namespace webrtc