mozilla/shumway — pull request #1322 by rszaloki (2014-05-26 13:41:30+00:00)
Title: positioning heuristics

If only one item under the main movie clip and have the same size as the stage, then pull the item into the stage.
If the renderOffStage is set to true and there is only one item and it's bigger than the stage, then it will scale it down to the fit to the stage.