Adding OnReceivedOverhead to AudioEncoder.

webrtc/modules/audio_coding/codecs/mock/mock_audio_encoder.h

Index: webrtc/modules/audio_coding/codecs/mock/mock_audio_encoder.h
diff --git a/webrtc/modules/audio_coding/codecs/mock/mock_audio_encoder.h b/webrtc/modules/audio_coding/codecs/mock/mock_audio_encoder.h
index 66f82b22d531039fed2ecc38e2e2b1698c70a637..2587f710aeec9cedb3d593baef3acd284d142c7d 100644
--- a/webrtc/modules/audio_coding/codecs/mock/mock_audio_encoder.h
+++ b/webrtc/modules/audio_coding/codecs/mock/mock_audio_encoder.h
@@ -43,6 +43,9 @@ class MockAudioEncoder : public AudioEncoder {
   MOCK_METHOD1(SetTargetBitrate, void(int target_bps));
   MOCK_METHOD1(SetMaxBitrate, void(int max_bps));
   MOCK_METHOD1(SetMaxPayloadSize, void(int max_payload_size_bytes));
+  MOCK_METHOD1(OnReceivedOverhead, void(size_t overhead_bytes_per_packet));
+  MOCK_METHOD1(OnReceivedTargetAudioBitrate,
+               void(int target_audio_bitrate_bps));
 
   // Note, we explicitly chose not to create a mock for the Encode method.
   MOCK_METHOD3(EncodeImpl,
@@ -50,6 +53,10 @@ class MockAudioEncoder : public AudioEncoder {
                            rtc::ArrayView<const int16_t> audio,
                            rtc::Buffer* encoded));
 
+  void AudioEncoderOnReceivedOverhead(size_t overhead_bytes_per_packet);
+
+  void AudioEncoderOnReceivedTargetAudioBitrate(int target_audio_bitrate_bps);
+
   class FakeEncoding {
    public:
     // Creates a functor that will return |info| and adjust the rtc::Buffer