AcmReceiver: Eliminate AcmReceiver::decoders_

webrtc/modules/audio_coding/neteq/timestamp_scaler.cc

Index: webrtc/modules/audio_coding/neteq/timestamp_scaler.cc
diff --git a/webrtc/modules/audio_coding/neteq/timestamp_scaler.cc b/webrtc/modules/audio_coding/neteq/timestamp_scaler.cc
index 1f28639e435efcd9a94fb1813a5f3687f050e353..fc3a846f7ea5baae15a7a9cdd892c928ba622795 100644
--- a/webrtc/modules/audio_coding/neteq/timestamp_scaler.cc
+++ b/webrtc/modules/audio_coding/neteq/timestamp_scaler.cc
@@ -50,7 +50,7 @@ uint32_t TimestampScaler::ToInternal(uint32_t external_timestamp,
       // support timestamp scaling of them.
       denominator_ = numerator_;
     } else {
-      denominator_ = info->GetFormat().clockrate_hz;
+      denominator_ = info->GetFormat()->clockrate_hz;
     }
   }
   if (numerator_ != denominator_) {