Allow an external audio processing module to be used in WebRTC

webrtc/modules/audio_processing/audio_processing_impl_unittest.cc

Index: webrtc/modules/audio_processing/audio_processing_impl_unittest.cc
diff --git a/webrtc/modules/audio_processing/audio_processing_impl_unittest.cc b/webrtc/modules/audio_processing/audio_processing_impl_unittest.cc
index ca6b7f6ff8112ae0ba4571c74ac745fe5a6cfabb..2ee1d5193674d1cdf7c47b26416700fd96d2709d 100644
--- a/webrtc/modules/audio_processing/audio_processing_impl_unittest.cc
+++ b/webrtc/modules/audio_processing/audio_processing_impl_unittest.cc
@@ -20,6 +20,7 @@ using ::testing::Invoke;
 using ::testing::Return;
 
 namespace webrtc {
+namespace {
 
 class MockInitialize : public AudioProcessingImpl {
  public:
@@ -30,8 +31,13 @@ class MockInitialize : public AudioProcessingImpl {
   int RealInitializeLocked() NO_THREAD_SAFETY_ANALYSIS {
     return AudioProcessingImpl::InitializeLocked();
   }
+
+  MOCK_CONST_METHOD0(AddRef, int());
+  MOCK_CONST_METHOD0(Release, int());
 };
 
+}  // namespace
+
 TEST(AudioProcessingImplTest, AudioParameterChangeTriggersInit) {
   webrtc::Config config;
   MockInitialize mock(config);