split share macro
split share macro

R=harryjin@google.com
BUG=libyuv:448

Review URL: https://webrtc-codereview.appspot.com/55609004.

disigma/yuv,disigma/yuv,lemenkov/libyuv,yarrcc/libyuv-ios,yarrcc/libyuv-ios,lyx2014/yuv,lyx2014/libyuv_free,lyx2014/libyuv_free,yarrcc/libyuv-ios,lemenkov/libyuv,lemenkov/libyuv,lyx2014/libyuv_free,disigma/yuv,lemenkov/libyuv,lyx2014/yuv,lyx2014/libyuv_free,yarrcc/libyuv-ios,lyx2014/yuv,lyx2014/yuv