DM: duh, don't calculate digests unless we're going to look at them.

dm/DMReplayTask.h

 #ifndef DMReplayTask_DEFINED
 #define DMReplayTask_DEFINED
 
 #include "DMReporter.h"
 #include "DMTask.h"
 #include "DMTaskRunner.h"
 #include "SkBitmap.h"
 #include "SkString.h"
 #include "SkTemplates.h"
 #include "gm.h"
 #include "gm_expectations.h"
 
-// Records a GM through an SkPicture, draws it, and compares against the reference checksum.
+// Records a GM through an SkPicture, draws it, and compares against the reference bitmap.

[epoger, 2013/10/17 16:14:01]

The question is, will DM have the reference bitmap to compare against?  Or will
it be comparing against a checksum?

On Android, we typically want to compare against a checksum (i.e. image hash). 
Otherwise, we have to copy all the reference images down to the device where you
are rendering the test images.  It's much faster to just copy down the
checksums.

 
 namespace DM {
 
 class ReplayTask : public Task {
 
 public:
     ReplayTask(const char* name,
                const Task& parent,
                skiagm::GM*,
-               skiagm::GmResultDigest reference,
-               SkBitmap::Config);
+               SkBitmap reference);
 
     virtual void draw() SK_OVERRIDE;
     virtual bool usesGpu() const SK_OVERRIDE { return false; }
     virtual bool shouldSkip() const SK_OVERRIDE;
     virtual SkString name() const SK_OVERRIDE { return fName; }
 
 private:
     const SkString fName;
     SkAutoTDelete<skiagm::GM> fGM;
-    const skiagm::GmResultDigest fReference;
-    const SkBitmap::Config fConfig;
+    const SkBitmap fReference;
 };
 
 }  // namespace DM
 
 #endif  // DMReplayTask_DEFINED