Adding OnReceivedOverhead to AudioEncoder.

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

Index: webrtc/modules/audio_coding/codecs/mock/mock_audio_encoder.cc
diff --git a/webrtc/modules/audio_coding/codecs/mock/mock_audio_encoder.cc b/webrtc/modules/audio_coding/codecs/mock/mock_audio_encoder.cc
index a674eba660748924789d1b4a834bfd221de8bcd1..67c06d7ee0cc7c9fbb1500dc3e281790ca9622fc 100644
--- a/webrtc/modules/audio_coding/codecs/mock/mock_audio_encoder.cc
+++ b/webrtc/modules/audio_coding/codecs/mock/mock_audio_encoder.cc
@@ -12,6 +12,16 @@
 
 namespace webrtc {
 
+void MockAudioEncoder::AudioEncoderOnReceivedOverhead(
+    size_t overhead_bytes_per_packet) {
+  AudioEncoder::OnReceivedOverhead(overhead_bytes_per_packet);
+}
+
+void MockAudioEncoder::AudioEncoderOnReceivedTargetAudioBitrate(
+    int target_audio_bitrate_bps) {
+  AudioEncoder::OnReceivedTargetAudioBitrate(target_audio_bitrate_bps);
+}
+
 MockAudioEncoder::FakeEncoding::FakeEncoding(
     const AudioEncoder::EncodedInfo& info)
     : info_(info) { }