Run CodecSrc DM.

dm/DMSrcSink.h

 #ifndef DMSrcSink_DEFINED
 #define DMSrcSink_DEFINED
 
 #include "DMGpuSupport.h"
 #include "SkBBHFactory.h"
 #include "SkBBoxHierarchy.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkData.h"
 #include "SkGPipe.h"
@@ skipping 63 matching lines @@
 public:
     explicit GMSrc(skiagm::GMRegistry::Factory);
 
     Error draw(SkCanvas*) const SK_OVERRIDE;
     SkISize size() const SK_OVERRIDE;
     Name name() const SK_OVERRIDE;
 private:
     skiagm::GMRegistry::Factory fFactory;
 };
 
+class CodecSrc : public Src {
+public:
+    explicit CodecSrc(Path path);
+
+    Error draw(SkCanvas*) const SK_OVERRIDE;
+    SkISize size() const SK_OVERRIDE;
+    Name name() const SK_OVERRIDE;
+private:
+    Path fPath;
+};
+
+
 class ImageSrc : public Src {
 public:
     // divisor == 0 means decode the whole image
     // divisor > 0 means decode in subsets, dividing into a divisor x divisor grid.
     explicit ImageSrc(Path path, int divisor = 0);
 
     Error draw(SkCanvas*) const SK_OVERRIDE;
     SkISize size() const SK_OVERRIDE;
     Name name() const SK_OVERRIDE;
 private:
@@ skipping 144 matching lines @@
     const char* fileExtension() const SK_OVERRIDE { return fSink->fileExtension(); }
 private:
     const int                   fW, fH;
     SkAutoTDelete<SkBBHFactory> fFactory;
     SkAutoTDelete<Sink>         fSink;
 };
 
 }  // namespace DM
 
 #endif//DMSrcSink_DEFINED