Adding a new unit test that demonstrates that dithering affects constant gradients Related bug: crbug.com/169602 Review URL: https://codereview.appspot.com/7220063
Adding a new unit test that demonstrates that dithering affects constant gradients
Related bug: crbug.com/169602
Review URL: https://codereview.appspot.com/7220063

git-svn-id: e8541e15acce502a64c929015570ad1648e548cd@7465 2bbb7eff-a529-9590-31e7-b0007b416f81

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