DM: Add --skps.

dm/DMSKPTask.h

+#ifndef DMSKPTask_DEFINED
+#define DMSKPTask_DEFINED
+
+#include "DMReporter.h"
+#include "DMTask.h"
+#include "DMTaskRunner.h"
+#include "SkPicture.h"
+#include "SkString.h"
+#include "SkTemplates.h"
+
+// Draws an SKP to a raster canvas, then compares it with some other modes.
+
+namespace DM {
+
+class SKPTask : public CpuTask {
+public:
+    SKPTask(Reporter*, TaskRunner*, SkPicture*, SkString name);
+
+    virtual void draw() SK_OVERRIDE;
+    virtual bool shouldSkip() const SK_OVERRIDE { return false; }
+    virtual SkString name() const SK_OVERRIDE { return fName; }
+
+private:
+    SkAutoTUnref<SkPicture> fPicture;
+    const SkString fName;
+};
+
+}  // namespace DM
+
+#endif // DMSKPTask_DEFINED