tunnel down texture-size-constraint to imagefilters

src/gpu/GrBlurUtils.cpp

Index: src/gpu/GrBlurUtils.cpp
diff --git a/src/gpu/GrBlurUtils.cpp b/src/gpu/GrBlurUtils.cpp
index 5d691fb137abe2fd646d9f3f64db1c93dfd1c7fd..8d59fbbccf02bf91a49c98df391cb39ef97f6da9 100644
--- a/src/gpu/GrBlurUtils.cpp
+++ b/src/gpu/GrBlurUtils.cpp
@@ -155,7 +155,8 @@ void GrBlurUtils::drawPathWithMaskFilter(GrContext* context,
                                          const SkMatrix& origViewMatrix,
                                          const SkMatrix* prePathMatrix,
                                          const SkIRect& clipBounds,
-                                         bool pathIsMutable) {
+                                         bool pathIsMutable,
+                                         GrTextureProvider::SizeConstraint constraint) {
     SkASSERT(!pathIsMutable || origSrcPath.isVolatile());
 
     GrStrokeInfo strokeInfo(paint);
@@ -265,7 +266,7 @@ void GrBlurUtils::drawPathWithMaskFilter(GrContext* context,
                 GrTexture* filtered;
 
                 if (paint.getMaskFilter()->filterMaskGPU(mask, viewMatrix, maskRect,
-                                                         &filtered, true)) {
+                                                         &filtered, true, constraint)) {
                     // filterMaskGPU gives us ownership of a ref to the result
                     SkAutoTUnref<GrTexture> atu(filtered);
                     if (draw_mask(drawContext,