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

src/gpu/effects/GrTextureDomain.cpp

Index: src/gpu/effects/GrTextureDomain.cpp
diff --git a/src/gpu/effects/GrTextureDomain.cpp b/src/gpu/effects/GrTextureDomain.cpp
index c1f9ef03a95b7719749c953f082687f2d4e55cc1..93a548a0476cf53dfb514cb3fc9bce0d25820677 100644
--- a/src/gpu/effects/GrTextureDomain.cpp
+++ b/src/gpu/effects/GrTextureDomain.cpp
@@ -280,7 +280,7 @@ void GrTextureDomainEffect::onComputeInvariantOutput(GrInvariantOutput* inout) c
 
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrTextureDomainEffect);
 
-GrFragmentProcessor* GrTextureDomainEffect::TestCreate(GrProcessorTestData* d) {
+const GrFragmentProcessor* GrTextureDomainEffect::TestCreate(GrProcessorTestData* d) {
     int texIdx = d->fRandom->nextBool() ? GrProcessorUnitTest::kSkiaPMTextureIdx :
                                           GrProcessorUnitTest::kAlphaTextureIdx;
     SkRect domain;