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

src/gpu/GrPipelineBuilder.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 GrPipelineBuilder_DEFINED
 #define GrPipelineBuilder_DEFINED
 
@@ skipping 159 matching lines @@
     }
 
     const GrXPFactory* getXPFactory() const {
         if (!fXPFactory) {
             fXPFactory.reset(GrPorterDuffXPFactory::Create(SkXfermode::kSrc_Mode));
         }
         return fXPFactory.get();
     }
 
     /**
-     * Checks whether the xp will need a copy of the destination to correctly blend.
+     * Checks whether the xp will need destination in a texture to correctly blend.
      */
-    bool willXPNeedDstCopy(const GrCaps& caps, const GrProcOptInfo& colorPOI,
-                           const GrProcOptInfo& coveragePOI) const;
+    bool willXPNeedDstTexture(const GrCaps& caps, const GrProcOptInfo& colorPOI,
+                              const GrProcOptInfo& coveragePOI) const;
 
     /// @}
 
 
     ///////////////////////////////////////////////////////////////////////////
     /// @name Render Target
     ////
 
     /**
      * Retrieves the currently set render-target.
@@ skipping 240 matching lines @@
     mutable GrProcOptInfo fCoverageProcInfo;
     mutable bool fColorProcInfoValid;
     mutable bool fCoverageProcInfoValid;
     mutable GrColor fColorCache;
     mutable GrColor fCoverageCache;
 
     friend class GrPipeline;
 };
 
 #endif