Benchmark tiling now better reflects how it is done in Chrome.

Namely, the tile backing stores are all the same size.

Review URL: https://codereview.appspot.com/6352099

git-svn-id: http://skia.googlecode.com/svn/trunk@4602 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed