UmaHistogramAspectRatio   76 media/base/video_decoder_config.cc     UmaHistogramAspectRatio("Media.VideoCodedAspectRatio", coded_size);
UmaHistogramAspectRatio   78 media/base/video_decoder_config.cc     UmaHistogramAspectRatio("Media.VideoVisibleAspectRatio", visible_rect);