Moved Opus-specific payload splitting into AudioDecoderOpus.

webrtc/modules/audio_coding/codecs/g722/audio_decoder_g722.h

Index: webrtc/modules/audio_coding/codecs/g722/audio_decoder_g722.h
diff --git a/webrtc/modules/audio_coding/codecs/g722/audio_decoder_g722.h b/webrtc/modules/audio_coding/codecs/g722/audio_decoder_g722.h
index ad39619d3c795fdf49a376241a1e5ada570f6e16..9e7c5d9d05be453887faace93f83c5a95462f901 100644
--- a/webrtc/modules/audio_coding/codecs/g722/audio_decoder_g722.h
+++ b/webrtc/modules/audio_coding/codecs/g722/audio_decoder_g722.h
@@ -25,8 +25,7 @@ class AudioDecoderG722 final : public AudioDecoder {
   bool HasDecodePlc() const override;
   void Reset() override;
   std::vector<ParseResult> ParsePayload(rtc::Buffer&& payload,
-                                        uint32_t timestamp,
-                                        bool is_primary) override;
+                                        uint32_t timestamp) override;
   int PacketDuration(const uint8_t* encoded, size_t encoded_len) const override;
   int SampleRateHz() const override;
   size_t Channels() const override;
@@ -49,8 +48,7 @@ class AudioDecoderG722Stereo final : public AudioDecoder {
   ~AudioDecoderG722Stereo() override;
   void Reset() override;
   std::vector<ParseResult> ParsePayload(rtc::Buffer&& payload,
-                                        uint32_t timestamp,
-                                        bool is_primary) override;
+                                        uint32_t timestamp) override;
   int SampleRateHz() const override;
   size_t Channels() const override;