Reuse one canvas for every tile in bench_pictures (in single threaded mode).

Turn off multi threaded option for now.

In bench_pictures, do not create a large canvas, since we never use it.

Remove unused functions on TiledPictureRenderer.

Review URL: https://codereview.appspot.com/6521043

git-svn-id: http://skia.googlecode.com/svn/trunk@5583 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed