Move DstCopy on gpu into the GrXferProcessor.

src/gpu/GrGpu.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGpu_DEFINED
 #define GrGpu_DEFINED
 
@@ skipping 280 matching lines @@
     // This timestamp is always older than the current timestamp
     static const ResetTimestamp kExpiredTimestamp = 0;
     // Returns a timestamp based on the number of times the context was reset.
     // This timestamp can be used to lazily detect when cached 3D context state
     // is dirty.
     ResetTimestamp getResetTimestamp() const { return fResetTimestamp; }
 
     virtual void buildProgramDesc(GrProgramDesc*,
                                   const GrPrimitiveProcessor&,
                                   const GrPipeline&,
-                                  const GrProgramDesc::DescInfo&,
                                   const GrBatchTracker&) const = 0;
 
     // Called to determine whether a copySurface call would succeed or not. Derived
     // classes must keep this consistent with their implementation of onCopySurface(). Fallbacks
     // to issuing a draw from the src to dst take place at the GrDrawTarget level and this function
     // should only return true if a faster copy path exists. The rect and point are pre-clipped. The
     // src rect and implied dst rect are guaranteed to be within the src/dst bounds and non-empty.
     virtual bool canCopySurface(const GrSurface* dst,
                                 const GrSurface* src,
                                 const SkIRect& srcRect,
@@ skipping 220 matching lines @@
     int                                                                 fGpuTraceMarkerCount;
     GrTraceMarkerSet                                                    fActiveTraceMarkers;
     GrTraceMarkerSet                                                    fStoredTraceMarkers;
     // The context owns us, not vice-versa, so this ptr is not ref'ed by Gpu.
     GrContext*                                                          fContext;
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif