1a5764233aa6b207c4169fff7fccae567a160a0fdcaryclark@google.comclass SkCanvas; 2a5764233aa6b207c4169fff7fccae567a160a0fdcaryclark@google.com 303f970652e07c6832cae41fa374cb68ca80d472ccaryclark@google.combool DrawEdgeDemo(SkCanvas* canvas, int step, bool useOld); 4