Move DstCoordTexture to GrXP, rename and remove the word "copy" from dstcopytexture names.

src/gpu/GrDrawTarget.h

Index: src/gpu/GrDrawTarget.h
diff --git a/src/gpu/GrDrawTarget.h b/src/gpu/GrDrawTarget.h
index 0157354f88ec02891ca476f08f64f2b534d030a0..dc859a7a5d896d70cdea679e9549a12e9f562635 100644
--- a/src/gpu/GrDrawTarget.h
+++ b/src/gpu/GrDrawTarget.h
@@ -18,6 +18,7 @@
 #include "GrPipelineBuilder.h"
 #include "GrTraceMarker.h"
 #include "GrVertexBuffer.h"
+#include "GrXferProcessor.h"
 
 #include "SkClipStack.h"
 #include "SkMatrix.h"
@@ -237,7 +238,7 @@ protected:
     bool setupDstReadIfNecessary(const GrPipelineBuilder&,
                                  const GrProcOptInfo& colorPOI,
                                  const GrProcOptInfo& coveragePOI,
-                                 GrDeviceCoordTexture* dstCopy,
+                                 GrXferProcessor::DstTexture*,
                                  const SkRect* drawBounds);
 
     struct PipelineInfo {
@@ -257,11 +258,11 @@ protected:
 
         bool mustSkipDraw() const { return (NULL == fPipelineBuilder); }
 
-        GrPipelineBuilder*      fPipelineBuilder;
-        GrScissorState*         fScissor;
-        GrProcOptInfo           fColorPOI; 
-        GrProcOptInfo           fCoveragePOI; 
-        GrDeviceCoordTexture    fDstCopy;
+        GrPipelineBuilder*          fPipelineBuilder;
+        GrScissorState*             fScissor;
+        GrProcOptInfo               fColorPOI; 
+        GrProcOptInfo               fCoveragePOI; 
+        GrXferProcessor::DstTexture fDstTexture;
     };
 
     void setupPipeline(const PipelineInfo& pipelineInfo, GrPipeline* pipeline);