Delete all log messages depending on system_wrappers.

webrtc/modules/audio_coding/acm2/audio_coding_module.cc

Index: webrtc/modules/audio_coding/acm2/audio_coding_module.cc
diff --git a/webrtc/modules/audio_coding/acm2/audio_coding_module.cc b/webrtc/modules/audio_coding/acm2/audio_coding_module.cc
index bc814f6d6fac682f146302e68f09e4173ef6b94b..6964ca2841c07c9a81b99993f28a12b99d0b6f4a 100644
--- a/webrtc/modules/audio_coding/acm2/audio_coding_module.cc
+++ b/webrtc/modules/audio_coding/acm2/audio_coding_module.cc
@@ -760,8 +760,6 @@ int AudioCodingModuleImpl::PreprocessToAddData(const AudioFrame& in_frame,
     expected_codec_ts_ = in_frame.timestamp_;
     first_10ms_data_ = true;
   } else if (in_frame.timestamp_ != expected_in_ts_) {
-    LOG(LS_WARNING) << "Unexpected input timestamp: " << in_frame.timestamp_
-                    << ", expected: " << expected_in_ts_;
     expected_codec_ts_ +=
         (in_frame.timestamp_ - expected_in_ts_) *
         static_cast<uint32_t>(
@@ -979,8 +977,6 @@ bool AudioCodingModuleImpl::RegisterReceiveCodec(
   RTC_DCHECK(receiver_initialized_);
 
   if (!acm2::RentACodec::IsPayloadTypeValid(rtp_payload_type)) {
-    LOG_F(LS_ERROR) << "Invalid payload-type " << rtp_payload_type
-                    << " for decoder.";
     return false;
   }
 
@@ -1006,14 +1002,12 @@ int AudioCodingModuleImpl::RegisterReceiveCodecUnlocked(
     rtc::FunctionView<std::unique_ptr<AudioDecoder>()> isac_factory) {
   RTC_DCHECK(receiver_initialized_);
   if (codec.channels > 2) {
-    LOG_F(LS_ERROR) << "Unsupported number of channels: " << codec.channels;
     return -1;
   }
 
   auto codec_id = acm2::RentACodec::CodecIdByParams(codec.plname, codec.plfreq,
                                                     codec.channels);
   if (!codec_id) {
-    LOG_F(LS_ERROR) << "Wrong codec params to be registered as receive codec";
     return -1;
   }
   auto codec_index = acm2::RentACodec::CodecIndexFromId(*codec_id);
@@ -1021,8 +1015,6 @@ int AudioCodingModuleImpl::RegisterReceiveCodecUnlocked(
 
   // Check if the payload-type is valid.
   if (!acm2::RentACodec::IsPayloadTypeValid(codec.pltype)) {
-    LOG_F(LS_ERROR) << "Invalid payload type " << codec.pltype << " for "
-                    << codec.plname;
     return -1;
   }
 
@@ -1048,14 +1040,11 @@ int AudioCodingModuleImpl::RegisterExternalReceiveCodec(
   rtc::CritScope lock(&acm_crit_sect_);
   RTC_DCHECK(receiver_initialized_);
   if (num_channels > 2 || num_channels < 0) {
-    LOG_F(LS_ERROR) << "Unsupported number of channels: " << num_channels;
     return -1;
   }
 
   // Check if the payload-type is valid.
   if (!acm2::RentACodec::IsPayloadTypeValid(rtp_payload_type)) {
-    LOG_F(LS_ERROR) << "Invalid payload-type " << rtp_payload_type
-                    << " for external decoder.";
     return -1;
   }