Add more specialized fragment builders

src/gpu/glsl/GrGLSLVarying.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "glsl/GrGLSLVarying.h"
 
 #include "glsl/GrGLSLProgramBuilder.h"
@@ skipping 78 matching lines @@
     }
     fVertexInputs.push_back(var);
 }
 
 void GrGLSLVaryingHandler::setNoPerspective() {
     const GrGLSLCaps& caps = *fProgramBuilder->glslCaps();
     if (!caps.noperspectiveInterpolationSupport()) {
         return;
     }
     if (const char* extension = caps.noperspectiveInterpolationExtensionString()) {
-        int bit = 1 << GrGLSLFragmentShaderBuilder::kNoPerspectiveInterpolation_GLSLPrivateFeature;
+        int bit = 1 << GrGLSLFragmentBuilder::kNoPerspectiveInterpolation_GLSLPrivateFeature;
         fProgramBuilder->fVS.addFeature(bit, extension);
         if (fProgramBuilder->primitiveProcessor().willUseGeoShader()) {
             fProgramBuilder->fGS.addFeature(bit, extension);
         }
         fProgramBuilder->fFS.addFeature(bit, extension);
     }
     fDefaultInterpolationModifier = "noperspective";
 }
 
 void GrGLSLVaryingHandler::finalize() {
@@ skipping 41 matching lines @@
 }
 
 void GrGLSLVaryingHandler::getFragDecls(SkString* inputDecls, SkString* outputDecls) const {
     // We should not have any outputs in the fragment shader when using version 1.10
     SkASSERT(k110_GrGLSLGeneration != fProgramBuilder->glslCaps()->generation() ||
              fFragOutputs.empty());
     this->appendDecls(fFragInputs, inputDecls);
     this->appendDecls(fFragOutputs, outputDecls);
 }