Simplify SkGpuBlurUtils::GaussianBlur method

src/gpu/GrContext.cpp

Index: src/gpu/GrContext.cpp
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index 3ea67c9f018d27094b8791c646a57fda5722502d..443494073af596a9ac0f9fee05d49be897d7478c 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -658,7 +658,8 @@ sk_sp<GrDrawContext> GrContext::newDrawContext(SkBackingFit fit,
                                                int width, int height,
                                                GrPixelConfig config,
                                                int sampleCnt,
-                                               GrSurfaceOrigin origin) {
+                                               GrSurfaceOrigin origin,
+                                               const SkSurfaceProps* surfaceProps) {
     GrSurfaceDesc desc;
     desc.fFlags = kRenderTarget_GrSurfaceFlag;
     desc.fOrigin = origin;
@@ -677,7 +678,8 @@ sk_sp<GrDrawContext> GrContext::newDrawContext(SkBackingFit fit,
         return nullptr;
     }
 
-    sk_sp<GrDrawContext> drawContext(this->drawContext(sk_ref_sp(tex->asRenderTarget())));
+    sk_sp<GrDrawContext> drawContext(this->drawContext(sk_ref_sp(tex->asRenderTarget()),
+                                                       surfaceProps));
     if (!drawContext) {
         return nullptr;
     }