diff --git a/webrtc/modules/audio_processing/include/mock_audio_processing.h b/webrtc/modules/audio_processing/include/mock_audio_processing.h
index c4600bda6d..46520ab494 100644
--- a/webrtc/modules/audio_processing/include/mock_audio_processing.h
+++ b/webrtc/modules/audio_processing/include/mock_audio_processing.h
@@ -215,6 +215,8 @@ class MockAudioProcessing : public AudioProcessing {
       int());
   MOCK_METHOD1(StartDebugRecording,
       int(const char filename[kMaxFilenameSize]));
+  MOCK_METHOD1(StartDebugRecording,
+      int(FILE* handle));
   MOCK_METHOD0(StopDebugRecording,
       int());
   virtual MockEchoCancellation* echo_cancellation() const {