Change return type of AudioEncoder::SetMaxPlaybackRate to void

webrtc/modules/audio_coding/main/acm2/audio_coding_module_impl.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 769 matching lines @@
 }
 
 // Informs Opus encoder of the maximum playback rate the receiver will render.
 int AudioCodingModuleImpl::SetOpusMaxPlaybackRate(int frequency_hz) {
   CriticalSectionScoped lock(acm_crit_sect_.get());
   if (!HaveValidEncoder("SetOpusMaxPlaybackRate")) {
     return -1;
   }
   if (!codec_manager_.CurrentEncoderIsOpus())
     return -1;
-  return codec_manager_.CurrentEncoder()->SetMaxPlaybackRate(frequency_hz) ? 0
-                                                                           : -1;
+  codec_manager_.CurrentEncoder()->SetMaxPlaybackRate(frequency_hz);
+  return 0;
 }
 
 int AudioCodingModuleImpl::EnableOpusDtx() {
   CriticalSectionScoped lock(acm_crit_sect_.get());
   if (!HaveValidEncoder("EnableOpusDtx")) {
     return -1;
   }
   if (!codec_manager_.CurrentEncoderIsOpus())
     return -1;
   return codec_manager_.CurrentEncoder()->SetDtx(true) ? 0 : -1;
@@ skipping 355 matching lines @@
       *channels = 1;
       break;
 #endif
     default:
       FATAL() << "Codec type " << codec_type << " not supported.";
   }
   return true;
 }
 
 }  // namespace webrtc