Move DstCopy on gpu into the GrXferProcessor.

src/gpu/GrBatchTarget.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrBatchBuffer_DEFINED
 #define GrBatchBuffer_DEFINED
 
@@ skipping 38 matching lines @@
     int numberOfDraws() const { return fNumberOfDraws; }
     void preFlush() { fIter = FlushBuffer::Iter(fFlushBuffer); }
     void flushNext(int n) {
         for (; n > 0; n--) {
             SkDEBUGCODE(bool verify =) fIter.next();
             SkASSERT(verify);
             GrProgramDesc desc;
             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);
 
             int drawCount = bf->fDraws.count();
             const SkSTArray<1, DrawInfo, true>& draws = bf->fDraws;
             for (int i = 0; i < drawCount; i++) {
                 fGpu->draw(args, draws[i]);
             }
         }
     }
@@ skipping 34 matching lines @@
 
     typedef GrTRecorder<BufferedFlush, TBufferAlign> FlushBuffer;
 
     FlushBuffer fFlushBuffer;
     // TODO this is temporary
     FlushBuffer::Iter fIter;
     int fNumberOfDraws;
 };
 
 #endif