Added varying struct

src/gpu/gl/builders/GrGLNvprProgramBuilder.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 "GrGLNvprProgramBuilder.h"
 #include "../GrGpuGL.h"
 
@@ skipping 37 matching lines @@
         SkNEW_APPEND_TO_TARRAY(outCoords, GrGLProcessor::TransformedCoords,
                                (SkString(fsVaryingName), varyingType));
     }
 }
 
 GrGLInstalledFragProc::ShaderVarHandle
 GrGLNvprProgramBuilder::addSeparableVarying(GrSLType type,
                                             const char* name,
                                             const char** vsOutName,
                                             const char** fsInName) {
-    addVarying(type, name, vsOutName, fsInName);
     SeparableVaryingInfo& varying = fSeparableVaryingInfos.push_back();
     varying.fVariable = fFS.fInputs.back();
     return GrGLInstalledFragProc::ShaderVarHandle(fSeparableVaryingInfos.count() - 1);
 }
 
 void GrGLNvprProgramBuilder::resolveSeparableVaryings(GrGLuint programId) {
     int count = fSeparableVaryingInfos.count();
     for (int i = 0; i < count; ++i) {
         GrGLint location;
         GL_CALL_RET(location,
                     GetProgramResourceLocation(programId,
                                                GR_GL_FRAGMENT_INPUT,
                                                fSeparableVaryingInfos[i].fVariable.c_str()));
         fSeparableVaryingInfos[i].fLocation = location;
     }
 }
 
 GrGLProgram* GrGLNvprProgramBuilder::createProgram(GrGLuint programID) {
     // this is just for nvpr es, which has separable varyings that are plugged in after
     // building
     this->resolveSeparableVaryings(programID);
     return SkNEW_ARGS(GrGLNvprProgram, (fGpu, fDesc, fUniformHandles, programID, fUniforms,
                                         fFragmentProcessors.get(), fSeparableVaryingInfos));
 }