DM: test SkRecord with and without optimization.

dm/DMRecordTask.h

 #ifndef DMRecordTask_DEFINED
 #define DMRecordTask_DEFINED
 
 #include "DMTask.h"
 #include "SkBitmap.h"
 #include "SkString.h"
 #include "SkTemplates.h"
 #include "gm.h"
 
 // Records a GM through an SkRecord, draws it, and compares against the reference bitmap.
 
 namespace DM {
 
 class RecordTask : public CpuTask {
 
 public:
-    RecordTask(const Task& parent, skiagm::GM*, SkBitmap reference);
+    RecordTask(const Task& parent, skiagm::GM*, SkBitmap reference, bool optimize);
 
     virtual void draw() SK_OVERRIDE;
     virtual bool shouldSkip() const SK_OVERRIDE;
     virtual SkString name() const SK_OVERRIDE { return fName; }
 
 private:
     const SkString fName;
     SkAutoTDelete<skiagm::GM> fGM;
     const SkBitmap fReference;
+    bool fOptimize;
 };
 
 }  // namespace DM
 
 #endif  // DMRecordTask_DEFINED