Alter SkXfermode's asFragmentProcessor & asXPFactory contracts

include/client/android/SkAvoidXfermode.h

Index: include/client/android/SkAvoidXfermode.h
diff --git a/include/client/android/SkAvoidXfermode.h b/include/client/android/SkAvoidXfermode.h
index 8d08827489f3fcfe92e0a10338692db8ae3147e6..34deb8f02fd6b4bf7128e05ee77a18ca77714746 100644
--- a/include/client/android/SkAvoidXfermode.h
+++ b/include/client/android/SkAvoidXfermode.h
@@ -52,9 +52,9 @@ public:
                 const SkAlpha aa[]) const override;
 
 #if SK_SUPPORT_GPU
-    bool asFragmentProcessor(const GrFragmentProcessor** output,
-                             const GrFragmentProcessor* dst) const override;
-    bool asXPFactory(GrXPFactory** xpf) const override;
+    const GrFragmentProcessor* getFragmentProcessorForImageFilter(
+                                                    const GrFragmentProcessor* dst) const override;
+    GrXPFactory* asXPFactory() const override;
 #endif
 
     SK_TO_STRING_OVERRIDE()