Moved Opus-specific payload splitting into AudioDecoderOpus.

webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.h

Index: webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.h
diff --git a/webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.h b/webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.h
index ed390217a3d5a1ca7c273e8cf261bf6be538f9ac..483311b61b8ac0939477f754b881f5726f54c23d 100644
--- a/webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.h
+++ b/webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.h
@@ -24,8 +24,7 @@ class AudioDecoderPcmU final : public AudioDecoder {
   }
   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 AudioDecoderPcmA final : public AudioDecoder {
   }
   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;