Adding commandline option to gm to make it write image results for tests that fails due to pixel mismatches. Review URL: https://codereview.appspot.com/7100043
Adding commandline option to gm to make it write image results for tests that fails due to pixel mismatches.
Review URL: https://codereview.appspot.com/7100043

git-svn-id: e8541e15acce502a64c929015570ad1648e548cd@7143 2bbb7eff-a529-9590-31e7-b0007b416f81

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