Run CodecSrc DM.

dm/DMSrcSink.h

Index: dm/DMSrcSink.h
diff --git a/dm/DMSrcSink.h b/dm/DMSrcSink.h
index dcd169e32283977beabfb2655a821374370be0e8..ace7c71c84ce171f41e93ec5005d95a5b4f8c534 100644
--- a/dm/DMSrcSink.h
+++ b/dm/DMSrcSink.h
@@ -95,6 +95,33 @@ private:
     const int  fDivisor;
 };
 
+class CodecSrc : public Src {
+public:
+    enum SkipZeroes {
+        kSkipZeroes,
+        kNo_SkipZeroes,
+    };
+
+    enum Scanlines {
+        kNormal_Scanlines,
+        kIterator_Scanlines,
+        kScaling_Scanlines,
+        kSubset_Scanlines,
+    };
+
+    CodecSrc(Path path, SkColorType dstCT, SkAlphaType dstAT, SkipZeroes, Scanlines);
+
+    Error draw(SkCanvas*) const SK_OVERRIDE;
+    SkISize size() const SK_OVERRIDE;
+    Name name() const SK_OVERRIDE;
+private:
+    Path fPath;
+    SkColorType fDstColorType;
+    SkAlphaType fDstAlphaType;
+    SkipZeroes  fSkipZeroes;
+    Scanlines   fScanlines;
+};
+
 class SKPSrc : public Src {
 public:
     explicit SKPSrc(Path path);