In the config name, report the viewport, if one is provided.
In the config name, report the viewport, if one is provided.

Review URL: https://codereview.appspot.com/6942048

git-svn-id: e8541e15acce502a64c929015570ad1648e548cd@6804 2bbb7eff-a529-9590-31e7-b0007b416f81

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