Added registerChild; transforms, textures, glKey automatically handled.

src/gpu/effects/GrCustomXfermode.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 "effects/GrCustomXfermode.h"
 #include "effects/GrCustomXfermodePriv.h"
 
@@ skipping 469 matching lines @@
     this->initClassID<GrCustomXferFP>();
 
     SkASSERT(background);
     fBackgroundTransform.reset(kLocal_GrCoordSet, background, 
                                GrTextureParams::kNone_FilterMode);
     this->addCoordTransform(&fBackgroundTransform);
     fBackgroundAccess.reset(background);
     this->addTextureAccess(&fBackgroundAccess);
 }
 
-void GrCustomXferFP::getGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const {
+void GrCustomXferFP::onGetGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const {
     GLCustomXferFP::GenKey(*this, caps, b);
 }
 
 GrGLFragmentProcessor* GrCustomXferFP::createGLInstance() const {
     return SkNEW_ARGS(GLCustomXferFP, (*this));
 }
 
 bool GrCustomXferFP::onIsEqual(const GrFragmentProcessor& other) const {
     const GrCustomXferFP& s = other.cast<GrCustomXferFP>();
     return fMode == s.fMode;
@@ skipping 308 matching lines @@
 }
 
 GR_DEFINE_XP_FACTORY_TEST(GrCustomXPFactory);
 GrXPFactory* GrCustomXPFactory::TestCreate(GrProcessorTestData* d) {
     int mode = d->fRandom->nextRangeU(SkXfermode::kLastCoeffMode + 1,
                                       SkXfermode::kLastSeparableMode);
 
     return SkNEW_ARGS(GrCustomXPFactory, (static_cast<SkXfermode::Mode>(mode)));
 }