Make GrFragmentProcessor be non-refcounted and use std::unique_ptr.

Change-Id: I985e54a071338e99292a5aa2f42c92bc115b4008
Reviewed-on: https://skia-review.googlesource.com/32760
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
diff --git a/src/gpu/effects/GrEllipseEffect.cpp b/src/gpu/effects/GrEllipseEffect.cpp
index edf12d2..e9443a8 100644
--- a/src/gpu/effects/GrEllipseEffect.cpp
+++ b/src/gpu/effects/GrEllipseEffect.cpp
@@ -120,12 +120,12 @@
         , fRadii(src.fRadii) {
     this->initClassID<GrEllipseEffect>();
 }
-sk_sp<GrFragmentProcessor> GrEllipseEffect::clone() const {
-    return sk_sp<GrFragmentProcessor>(new GrEllipseEffect(*this));
+std::unique_ptr<GrFragmentProcessor> GrEllipseEffect::clone() const {
+    return std::unique_ptr<GrFragmentProcessor>(new GrEllipseEffect(*this));
 }
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrEllipseEffect);
 #if GR_TEST_UTILS
-sk_sp<GrFragmentProcessor> GrEllipseEffect::TestCreate(GrProcessorTestData* testData) {
+std::unique_ptr<GrFragmentProcessor> GrEllipseEffect::TestCreate(GrProcessorTestData* testData) {
     SkPoint center;
     center.fX = testData->fRandom->nextRangeScalar(0.f, 1000.f);
     center.fY = testData->fRandom->nextRangeScalar(0.f, 1000.f);