Alter SkXfermode's asFragmentProcessor & asXPFactory contracts

src/effects/SkPixelXorXfermode.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkPixelXorXfermode.h"
 #include "SkColorPriv.h"
 #include "SkReadBuffer.h"
@@ skipping 350 matching lines @@
 GR_DEFINE_XP_FACTORY_TEST(GrPixelXorXPFactory);
 
 const GrXPFactory* GrPixelXorXPFactory::TestCreate(GrProcessorTestData* d) {
     SkColor color = d->fRandom->nextU();
 
     return GrPixelXorXPFactory::Create(SkPreMultiplyColor(color));
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
-bool SkPixelXorXfermode::asFragmentProcessor(const GrFragmentProcessor** output,
-                                             const GrFragmentProcessor* dst) const {
-    if (output) {
-        *output = PixelXorFP::Create(fOpColor, dst);
-    }
-    return true;
+const GrFragmentProcessor* SkPixelXorXfermode::getFragmentProcessorForImageFilter(
+                                                        const GrFragmentProcessor* dst) const {
+    return PixelXorFP::Create(fOpColor, dst);
 }
 
-bool SkPixelXorXfermode::asXPFactory(GrXPFactory** xpf) const {
-    if (xpf) {
-        *xpf = GrPixelXorXPFactory::Create(fOpColor);
-    }
-    return true;
+GrXPFactory* SkPixelXorXfermode::asXPFactory() const {
+    return GrPixelXorXPFactory::Create(fOpColor);
 }
 
 #endif