Parses per-tile benches and returns the sum as overall skp bench. Review URL: https://codereview.appspot.com/6940071
Parses per-tile benches and returns the sum as overall skp bench.
Review URL: https://codereview.appspot.com/6940071

git-svn-id: e8541e15acce502a64c929015570ad1648e548cd@6884 2bbb7eff-a529-9590-31e7-b0007b416f81

Cue/skia,Cue/skia,Cue/skia,Cue/skia