Clean up GrGLSLFragmentProcessor-derived classes

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"
 
 class GrGLSimpleTextureEffect : public GrGLSLFragmentProcessor {
 public:
-    GrGLSimpleTextureEffect(const GrProcessor&) {}
-
-    virtual void emitCode(EmitArgs& args) override {
+    void emitCode(EmitArgs& args) override {
         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());
         fragBuilder->codeAppend(";\n");
     }
 
 private:
     typedef GrGLSLFragmentProcessor INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 void GrSimpleTextureEffect::onComputeInvariantOutput(GrInvariantOutput* inout) const {
     this->updateInvariantOutputForModulation(inout);
 }
 
 void GrSimpleTextureEffect::onGetGLSLProcessorKey(const GrGLSLCaps& caps,
                                                   GrProcessorKeyBuilder* b) const {
     GrGLSimpleTextureEffect::GenKey(*this, caps, b);
 }
 
 GrGLSLFragmentProcessor* GrSimpleTextureEffect::onCreateGLSLInstance() const  {
-    return new GrGLSimpleTextureEffect(*this);
+    return new GrGLSimpleTextureEffect;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrSimpleTextureEffect);
 
 const GrFragmentProcessor* GrSimpleTextureEffect::TestCreate(GrProcessorTestData* d) {
     int texIdx = d->fRandom->nextBool() ? GrProcessorUnitTest::kSkiaPMTextureIdx :
                                           GrProcessorUnitTest::kAlphaTextureIdx;
     static const SkShader::TileMode kTileModes[] = {
@@ skipping 10 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);
 }