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

src/effects/gradients/SkSweepGradient.h

Index: src/effects/gradients/SkSweepGradient.h
diff --git a/src/effects/gradients/SkSweepGradient.h b/src/effects/gradients/SkSweepGradient.h
index 8094a48c79b46875b318ad574f5a016fa1d3362f..bc465bdc44de699b38db70f754bb3ed34bf02267 100644
--- a/src/effects/gradients/SkSweepGradient.h
+++ b/src/effects/gradients/SkSweepGradient.h
@@ -30,10 +30,9 @@
 
     GradientType asAGradient(GradientInfo* info) const override;
 
-#if SK_SUPPORT_GPU
-    const GrFragmentProcessor* asFragmentProcessor(GrContext*, const SkMatrix& viewM,
-        const SkMatrix*, SkFilterQuality, GrProcessorDataManager*) const override;
-#endif
+    bool asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix& viewM,
+                             const SkMatrix*, GrColor*, GrProcessorDataManager*,
+                             GrFragmentProcessor**) const override;
 
     SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkSweepGradient)