Change SkShader;asFragmentProcessor signature to no longer take skpaint\grcolor*

src/effects/SkAlphaThresholdFilter.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkAlphaThresholdFilter.h"
 #include "SkBitmap.h"
 #include "SkReadBuffer.h"
@@ skipping 177 matching lines @@
                                        const GrProcessor& proc) {
     const AlphaThresholdEffect& alpha_threshold = proc.cast<AlphaThresholdEffect>();
     pdman.set1f(fInnerThresholdVar, alpha_threshold.innerThreshold());
     pdman.set1f(fOuterThresholdVar, alpha_threshold.outerThreshold());
 }
 
 /////////////////////////////////////////////////////////////////////
 
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(AlphaThresholdEffect);
 
-GrFragmentProcessor* AlphaThresholdEffect::TestCreate(GrProcessorTestData* d) {
+const GrFragmentProcessor* AlphaThresholdEffect::TestCreate(GrProcessorTestData* d) {
     GrTexture* bmpTex = d->fTextures[GrProcessorUnitTest::kSkiaPMTextureIdx];
     GrTexture* maskTex = d->fTextures[GrProcessorUnitTest::kAlphaTextureIdx];
     float innerThresh = d->fRandom->nextUScalar1();
     float outerThresh = d->fRandom->nextUScalar1();
     return AlphaThresholdEffect::Create(d->fProcDataManager, bmpTex, maskTex, innerThresh,
                                         outerThresh);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
@@ skipping 163 matching lines @@
 }
 
 #ifndef SK_IGNORE_TO_STRING
 void SkAlphaThresholdFilterImpl::toString(SkString* str) const {
     str->appendf("SkAlphaThresholdImageFilter: (");
     str->appendf("inner: %f outer: %f", fInnerThreshold, fOuterThreshold);
     str->append(")");
 }
 #endif