Move DstCopy on gpu into the GrXferProcessor.

src/gpu/GrTest.cpp

Index: src/gpu/GrTest.cpp
diff --git a/src/gpu/GrTest.cpp b/src/gpu/GrTest.cpp
index e4c7a8351398ded88c5ee06f458d565824210eed..64dd4bb916a14b4d73c8c32031802cccda63e75c 100644
--- a/src/gpu/GrTest.cpp
+++ b/src/gpu/GrTest.cpp
@@ -65,7 +65,6 @@ public:
                                    size_t rowBytes) const SK_OVERRIDE { return false; }
     void buildProgramDesc(GrProgramDesc*,const GrPrimitiveProcessor&,
                           const GrPipeline&,
-                          const GrProgramDesc::DescInfo&,
                           const GrBatchTracker&) const SK_OVERRIDE {}
 
     void discard(GrRenderTarget*) SK_OVERRIDE {}