Create xfer processor backend.

src/gpu/gl/builders/GrGLLegacyNvprProgramBuilder.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLLegacyNvprProgramBuilder.h"
 #include "../GrGpuGL.h"
 
@@ skipping 27 matching lines @@
         GrSLType type = processorStage.isPerspectiveCoordTransform(t) ? kVec3f_GrSLType :
                                                                         kVec2f_GrSLType;
 
         name.printf("%s(gl_TexCoord[%i])", GrGLSLTypeString(type), texCoordIndex++);
         SkNEW_APPEND_TO_TARRAY(outCoords, GrGLProcessor::TransformedCoords, (name, type));
     }
 }
 
 GrGLProgram* GrGLLegacyNvprProgramBuilder::createProgram(GrGLuint programID) {
     return SkNEW_ARGS(GrGLLegacyNvprProgram, (fGpu, fDesc, fUniformHandles, programID, fUniforms,
-                                              fFragmentProcessors.get(),  fTexCoordSetCnt));
+                                              fXferProcessor, fFragmentProcessors.get(),
+                                              fTexCoordSetCnt));
 }