sk_sp for Ganesh.

Convert use of GrFragmentProcessor, GrGeometryProcessor, and
GrXPFactory to sk_sp. This clarifies ownership and should
reduce reference count churn by moving ownership.

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2041113004

Review-Url: https://codereview.chromium.org/2041113004
diff --git a/src/gpu/GrPaint.cpp b/src/gpu/GrPaint.cpp
index f41469e..fd78f9f 100644
--- a/src/gpu/GrPaint.cpp
+++ b/src/gpu/GrPaint.cpp
@@ -19,36 +19,34 @@
     , fColor(GrColor_WHITE) {}
 
 void GrPaint::setCoverageSetOpXPFactory(SkRegion::Op regionOp, bool invertCoverage) {
-    fXPFactory.reset(GrCoverageSetOpXPFactory::Create(regionOp, invertCoverage));
+    fXPFactory = GrCoverageSetOpXPFactory::Make(regionOp, invertCoverage);
 }
 
 void GrPaint::addColorTextureProcessor(GrTexture* texture, const SkMatrix& matrix) {
-    this->addColorFragmentProcessor(GrSimpleTextureEffect::Create(texture, matrix))->unref();
+    this->addColorFragmentProcessor(GrSimpleTextureEffect::Make(texture, matrix));
 }
 
 void GrPaint::addCoverageTextureProcessor(GrTexture* texture, const SkMatrix& matrix) {
-    this->addCoverageFragmentProcessor(GrSimpleTextureEffect::Create(texture, matrix))->unref();
+    this->addCoverageFragmentProcessor(GrSimpleTextureEffect::Make(texture, matrix));
 }
 
 void GrPaint::addColorTextureProcessor(GrTexture* texture,
                                        const SkMatrix& matrix,
                                        const GrTextureParams& params) {
-    this->addColorFragmentProcessor(GrSimpleTextureEffect::Create(texture,
-                                                                  matrix, params))->unref();
+    this->addColorFragmentProcessor(GrSimpleTextureEffect::Make(texture, matrix, params));
 }
 
 void GrPaint::addCoverageTextureProcessor(GrTexture* texture,
                                           const SkMatrix& matrix,
                                           const GrTextureParams& params) {
-    this->addCoverageFragmentProcessor(GrSimpleTextureEffect::Create(texture,
-                                                                     matrix, params))->unref();
+    this->addCoverageFragmentProcessor(GrSimpleTextureEffect::Make(texture, matrix, params));
 }
 
 bool GrPaint::isConstantBlendedColor(GrColor* color) const {
     GrProcOptInfo colorProcInfo;
-    colorProcInfo.calcWithInitialValues(fColorFragmentProcessors.begin(),
-                                        this->numColorFragmentProcessors(), fColor,
-                                        kRGBA_GrColorComponentFlags, false);
+    colorProcInfo.calcWithInitialValues(
+        sk_sp_address_as_pointer_address(fColorFragmentProcessors.begin()),
+        this->numColorFragmentProcessors(), fColor, kRGBA_GrColorComponentFlags, false);
 
     GrXPFactory::InvariantBlendedColor blendedColor;
     if (fXPFactory) {