Move functionality out from AudioFrame and into AudioFrameOperations.

webrtc/voice_engine/channel.cc

Index: webrtc/voice_engine/channel.cc
diff --git a/webrtc/voice_engine/channel.cc b/webrtc/voice_engine/channel.cc
index ac424305b7627a5bceda8f69d7a967db87f2db3a..3324006e11b7fde453d35dbeb69432602666b920 100644
--- a/webrtc/voice_engine/channel.cc
+++ b/webrtc/voice_engine/channel.cc
@@ -589,7 +589,7 @@ MixerParticipant::AudioFrameInfo Channel::GetAudioFrameWithMuted(
     // TODO(henrik.lundin): We should be able to do better than this. But we
     // will have to go through all the cases below where the audio samples may
     // be used, and handle the muted case in some way.
-    audioFrame->Mute();
+    AudioFrameOperations::Mute(audioFrame);
   }
 
   // Convert module ID to internal VoE channel ID
@@ -3056,9 +3056,9 @@ int32_t Channel::MixOrReplaceAudioWithFile(int mixingFrequency) {
     // Replace ACM audio with file.
     // Currently file stream is always mono.
     // TODO(xians): Change the code when FilePlayer supports real stereo.
-    _audioFrame.UpdateFrame(
+    AudioFrameOperations::UpdateFrame(
         _channelId, 0xFFFFFFFF, fileBuffer.get(), fileSamples, mixingFrequency,
-        AudioFrame::kNormalSpeech, AudioFrame::kVadUnknown, 1);
+        AudioFrame::kNormalSpeech, AudioFrame::kVadUnknown, 1, &_audioFrame);
   }
   return 0;
 }