move some copy surface stuff to GrFlushToGpuDrawTarget

src/gpu/GrFlushToGpuDrawTarget.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrFlushToGpuDrawTarget_DEFINED
 #define GrFlushToGpuDrawTarget_DEFINED
 
@@ skipping 61 matching lines @@
     void setDrawBuffers(DrawInfo*, size_t stride) SK_OVERRIDE;
     bool onReserveVertexSpace(size_t vertexSize, int vertexCount, void** vertices) SK_OVERRIDE;
     bool onReserveIndexSpace(int indexCount, void** indices) SK_OVERRIDE;
     void releaseReservedVertexSpace() SK_OVERRIDE;
     void releaseReservedIndexSpace() SK_OVERRIDE;
     void geometrySourceWillPush() SK_OVERRIDE;
     void geometrySourceWillPop(const GeometrySrcState& restoredState) SK_OVERRIDE;
     void willReserveVertexAndIndexSpace(int vertexCount,
                                         size_t vertexStride,
                                         int indexCount) SK_OVERRIDE;
+    bool onCanCopySurface(const GrSurface* dst,
+                          const GrSurface* src,
+                          const SkIRect& srcRect,
+                          const SkIPoint& dstPoint) SK_OVERRIDE;
+    bool onInitCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* desc) SK_OVERRIDE;
 
     GeoPoolStateStack                   fGeoPoolStateStack;
     SkAutoTUnref<GrGpu>                 fGpu;
     GrVertexBufferAllocPool*            fVertexPool;
     GrIndexBufferAllocPool*             fIndexPool;
     bool                                fFlushing;
 
     typedef GrClipTarget INHERITED;
 };
 
 #endif