Fix up flags to SkGpuBlurUtils::GaussianBlur

src/gpu/GrBlurUtils.cpp

Index: src/gpu/GrBlurUtils.cpp
diff --git a/src/gpu/GrBlurUtils.cpp b/src/gpu/GrBlurUtils.cpp
index 94c6ea066926712720eb8e23bb69625c6a313bb6..371f7fb0bab7917811b3c830e30c529fe4a586cd 100644
--- a/src/gpu/GrBlurUtils.cpp
+++ b/src/gpu/GrBlurUtils.cpp
@@ -220,7 +220,7 @@ static void draw_path_with_mask_filter(GrContext* context,
         if (mask) {
             GrTexture* filtered;
 
-            if (maskFilter->filterMaskGPU(mask.get(), viewMatrix, finalIRect, &filtered, true)) {
+            if (maskFilter->filterMaskGPU(mask.get(), viewMatrix, finalIRect, &filtered)) {
                 // filterMaskGPU gives us ownership of a ref to the result
                 SkAutoTUnref<GrTexture> atu(filtered);
                 if (draw_mask(drawContext, clip, viewMatrix, finalIRect, paint, filtered)) {