Added framework for canvas benchmark and two examples that stress drawImage. One example draws multiple instances of a single image while the other draws multiple images.
Review URL: https://chromiumcodereview.appspot.com/9355020

git-svn-id: http://src.chromium.org/svn/trunk/deps/canvas_bench@122605 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
4 files changed
tree: edf33faa2362240de3b5887cd23a4d9af71d958e
  1. images/
  2. bench.js
  3. many_images.html
  4. single_image.html
  5. sprites.js