Bundle SkShader::asFragmentProcessor arguments in a struct

src/core/SkPictureShader.cpp

Index: src/core/SkPictureShader.cpp
diff --git a/src/core/SkPictureShader.cpp b/src/core/SkPictureShader.cpp
index a6186e6c7db57d81813effbc250d3e586d860b1b..1b1189c20d92fdd42e5dc867530da41fa3541f17 100644
--- a/src/core/SkPictureShader.cpp
+++ b/src/core/SkPictureShader.cpp
@@ -318,19 +318,17 @@ void SkPictureShader::toString(SkString* str) const {
 #endif
 
 #if SK_SUPPORT_GPU
-sk_sp<GrFragmentProcessor> SkPictureShader::asFragmentProcessor(
-                                                     GrContext* context, const SkMatrix& viewM,
-                                                     const SkMatrix* localMatrix,
-                                                     SkFilterQuality fq,
-                                                     SkSourceGammaTreatment gammaTreatment) const {
+sk_sp<GrFragmentProcessor> SkPictureShader::asFragmentProcessor(const AsFPArgs& args) const {
     int maxTextureSize = 0;
-    if (context) {
-        maxTextureSize = context->caps()->maxTextureSize();
+    if (args.fContext) {
+        maxTextureSize = args.fContext->caps()->maxTextureSize();
     }
-    sk_sp<SkShader> bitmapShader(this->refBitmapShader(viewM, localMatrix, maxTextureSize));
+    sk_sp<SkShader> bitmapShader(this->refBitmapShader(*args.fViewMatrix, args.fLocalMatrix,
+                                                       maxTextureSize));
     if (!bitmapShader) {
         return nullptr;
     }
-    return bitmapShader->asFragmentProcessor(context, viewM, nullptr, fq, gammaTreatment);
+    return bitmapShader->asFragmentProcessor(SkShader::AsFPArgs(
+        args.fContext, args.fViewMatrix, nullptr, args.fFilterQuality, args.fGammaTreatment));
 }
 #endif