Bug 1239911 - Remove unused |mAudioChannel|. r=bechen.

MozReview-Commit-ID: F10HLXyHGKk

dom/media/AudioStream.cpp

@@ -339,10 +339,8 @@ AudioStream::Init(uint32_t aNumChannels, uint32_t aRate,
   params.channels = mOutChannels;
 #if defined(__ANDROID__)
 #if defined(MOZ_B2G)
-  mAudioChannel = aAudioChannel;
   params.stream_type = CubebUtils::ConvertChannelToCubebType(aAudioChannel);
 #else
-  mAudioChannel = dom::AudioChannel::Content;
   params.stream_type = CUBEB_STREAM_TYPE_MUSIC;
 #endif
 

dom/media/AudioStream.h

@@ -343,9 +343,6 @@ private:
   uint32_t mOutRate;
   uint32_t mChannels;
   uint32_t mOutChannels;
-#if defined(__ANDROID__)
-  dom::AudioChannel mAudioChannel;
-#endif
   AudioClock mAudioClock;
   soundtouch::SoundTouch* mTimeStretcher;