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

src/core/SkPictureShader.cpp

Index: src/core/SkPictureShader.cpp
diff --git a/src/core/SkPictureShader.cpp b/src/core/SkPictureShader.cpp
index 0b3c9e864bf9830b103e1839db7b4395ff1806ac..1f4d3cd948b5a00433c3b282779dab282bcf6dd4 100644
--- a/src/core/SkPictureShader.cpp
+++ b/src/core/SkPictureShader.cpp
@@ -336,27 +336,20 @@ void SkPictureShader::toString(SkString* str) const {
 #endif
 
 #if SK_SUPPORT_GPU
-bool SkPictureShader::asFragmentProcessor(GrContext* context, const SkPaint& paint,
-                                          const SkMatrix& viewM, const SkMatrix* localMatrix,
-                                          GrColor* paintColor,
-                                          GrProcessorDataManager* procDataManager,
-                                          GrFragmentProcessor** fp) const {
+const GrFragmentProcessor* SkPictureShader::asFragmentProcessor(
+                                                    GrContext* context,
+                                                    const SkMatrix& viewM,
+                                                    const SkMatrix* localMatrix,
+                                                    SkFilterQuality fq,
+                                                    GrProcessorDataManager* procDataManager) const {
     int maxTextureSize = 0;
     if (context) {
         maxTextureSize = context->caps()->maxTextureSize();
     }
     SkAutoTUnref<SkShader> bitmapShader(this->refBitmapShader(viewM, localMatrix, maxTextureSize));
     if (!bitmapShader) {
-        return false;
+        return nullptr;
     }
-    return bitmapShader->asFragmentProcessor(context, paint, viewM, nullptr, paintColor,
-                                             procDataManager, fp);
-}
-#else
-bool SkPictureShader::asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix&,
-                                          const SkMatrix*, GrColor*, GrProcessorDataManager*,
-                                          GrFragmentProcessor**) const {
-    SkDEBUGFAIL("Should not call in GPU-less build");
-    return false;
+    return bitmapShader->asFragmentProcessor(context, viewM, nullptr, fq, procDataManager);
 }
 #endif