Allow an external audio processing module to be used in WebRTC

webrtc/audio/audio_state_unittest.cc

Index: webrtc/audio/audio_state_unittest.cc
diff --git a/webrtc/audio/audio_state_unittest.cc b/webrtc/audio/audio_state_unittest.cc
index 05c5003459e94292af27d8eee45e289efb322e65..ffaacb62ca3cfe56e90340fb403b8766ada9cf47 100644
--- a/webrtc/audio/audio_state_unittest.cc
+++ b/webrtc/audio/audio_state_unittest.cc
@@ -12,6 +12,7 @@
 
 #include "webrtc/audio/audio_state.h"
 #include "webrtc/modules/audio_mixer/audio_mixer_impl.h"
+#include "webrtc/modules/audio_processing/include/mock_audio_processing.h"
 #include "webrtc/test/gtest.h"
 #include "webrtc/test/mock_voice_engine.h"
 
@@ -31,8 +32,6 @@ struct ConfigHelper {
         .WillOnce(testing::Return(0));
     EXPECT_CALL(mock_voice_engine, audio_device_module())
         .Times(testing::AtLeast(1));
-    EXPECT_CALL(mock_voice_engine, audio_processing())
-        .Times(testing::AtLeast(1));
     EXPECT_CALL(mock_voice_engine, audio_transport())
         .WillRepeatedly(testing::Return(&audio_transport));
 
@@ -49,6 +48,8 @@ struct ConfigHelper {
 
     audio_state_config.voice_engine = &mock_voice_engine;
     audio_state_config.audio_mixer = audio_mixer;
+    audio_state_config.audio_processing =
+        new rtc::RefCountedObject<MockAudioProcessing>();
   }
   AudioState::Config& config() { return audio_state_config; }
   MockVoiceEngine& voice_engine() { return mock_voice_engine; }