const int loops
This drives me nuts, and prevents `while (loops --> 0)`. BUG=skia: Review URL: https://codereview.chromium.org/1379923005
BUG=513695 TBR= Review URL: https://codereview.chromium.org/1261043003
BUG=513695 TBR= Review URL: https://codereview.chromium.org/1261663004