Review comments
Review comments

ruil2/compare-codecs,google/compare-codecs,alvestrand/old-compare-codecs,ruil2/compare-codecs,alvestrand/old-compare-codecs,google/compare-codecs,ruil2/compare-codecs,alvestrand/old-compare-codecs,ruil2/compare-codecs,alvestrand/old-compare-codecs,google/compare-codecs,ruil2/compare-codecs,google/compare-codecs,google/compare-codecs