Use bench_graph_svg's new -o option to write out graph file BUG=https://code.google.com/p/skia/issues/detail?id=674 Review URL: https://codereview.appspot.com/6334052
Use bench_graph_svg's new -o option to write out graph file
BUG=https://code.google.com/p/skia/issues/detail?id=674
Review URL: https://codereview.appspot.com/6334052

git-svn-id: 32fc27f4dcfb6c0385cd9719852b95fe6680452d@4335 2bbb7eff-a529-9590-31e7-b0007b416f81

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