Add ShaderBuilders to EmitArgs and remove gettings from ProgBuilder.

src/gpu/effects/GrSimpleTextureEffect.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrSimpleTextureEffect.h"
 #include "GrInvariantOutput.h"
 #include "GrTexture.h"
 #include "glsl/GrGLSLFragmentProcessor.h"
 #include "glsl/GrGLSLFragmentShaderBuilder.h"
 #include "glsl/GrGLSLProgramBuilder.h"
 
 class GrGLSimpleTextureEffect : public GrGLSLFragmentProcessor {
 public:
     GrGLSimpleTextureEffect(const GrProcessor&) {}
 
     virtual void emitCode(EmitArgs& args) override {
-        GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder();
-        fsBuilder->codeAppendf("\t%s = ", args.fOutputColor);
-        fsBuilder->appendTextureLookupAndModulate(args.fInputColor,
+        GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
+        fragBuilder->codeAppendf("\t%s = ", args.fOutputColor);
+        fragBuilder->appendTextureLookupAndModulate(args.fInputColor,
                                                   args.fSamplers[0],
                                                   args.fCoords[0].c_str(),
                                                   args.fCoords[0].getType());
-        fsBuilder->codeAppend(";\n");
+        fragBuilder->codeAppend(";\n");
     }
 
 private:
     typedef GrGLSLFragmentProcessor INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 void GrSimpleTextureEffect::onComputeInvariantOutput(GrInvariantOutput* inout) const {
     this->updateInvariantOutputForModulation(inout);
@@ skipping 29 matching lines @@
 
     static const GrCoordSet kCoordSets[] = {
         kLocal_GrCoordSet,
         kDevice_GrCoordSet
     };
     GrCoordSet coordSet = kCoordSets[d->fRandom->nextULessThan(SK_ARRAY_COUNT(kCoordSets))];
 
     const SkMatrix& matrix = GrTest::TestMatrix(d->fRandom);
     return GrSimpleTextureEffect::Create(d->fTextures[texIdx], matrix, coordSet);
 }