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 05a4a5f956963175558cd20b90891d54395a911d..2f32eb5d4a53dc503e8dad31acea427bfd26e0c4 100644
--- a/src/gpu/GrTest.cpp
+++ b/src/gpu/GrTest.cpp
@@ -142,7 +142,6 @@ 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 {}