Move DstCopy on gpu into the GrXferProcessor.

src/gpu/GrBatchTarget.cpp

Index: src/gpu/GrBatchTarget.cpp
diff --git a/src/gpu/GrBatchTarget.cpp b/src/gpu/GrBatchTarget.cpp
index 6a3135310a7c611f1742f44497bfba71fbc8ca60..d5d8d8f28508a386f9e35e4df85fbea5e7a801a9 100644
--- a/src/gpu/GrBatchTarget.cpp
+++ b/src/gpu/GrBatchTarget.cpp
@@ -21,8 +21,7 @@ void GrBatchTarget::flush() {
         BufferedFlush* bf = iter.get();
         const GrPipeline* pipeline = bf->fPipeline;
         const GrPrimitiveProcessor* primProc = bf->fPrimitiveProcessor.get();
-        fGpu->buildProgramDesc(&desc, *primProc, *pipeline, pipeline->descInfo(),
-                               bf->fBatchTracker);
+        fGpu->buildProgramDesc(&desc, *primProc, *pipeline, bf->fBatchTracker);
 
         GrGpu::DrawArgs args(primProc, pipeline, &desc, &bf->fBatchTracker);
         for (int i = 0; i < bf->fDraws.count(); i++) {
@@ -38,8 +37,7 @@ void GrBatchTarget::flushNext() {
     BufferedFlush* bf = fIter.get();
     const GrPipeline* pipeline = bf->fPipeline;
     const GrPrimitiveProcessor* primProc = bf->fPrimitiveProcessor.get();
-    fGpu->buildProgramDesc(&desc, *primProc, *pipeline, pipeline->descInfo(),
-                           bf->fBatchTracker);
+    fGpu->buildProgramDesc(&desc, *primProc, *pipeline, bf->fBatchTracker);
 
     GrGpu::DrawArgs args(primProc, pipeline, &desc, &bf->fBatchTracker);
     for (int i = 0; i < bf->fDraws.count(); i++) {