Not streaming packets of silence.

remoting/host/audio_capturer.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/host/audio_capturer.h"
 
+#include "base/basictypes.h"
 #include "remoting/proto/audio.pb.h"
 
 namespace remoting {
 
+// Returns true if the sampling rate is supported by Pepper.
 bool AudioCapturer::IsValidSampleRate(int sample_rate) {
   switch (sample_rate) {
     case AudioPacket::SAMPLING_RATE_44100:
     case AudioPacket::SAMPLING_RATE_48000:
       return true;
     default:
       return false;
   }
 }
 
-} // namespace remoting
+}  // namespace remoting