tunnel down texture-size-constraint to imagefilters

src/gpu/GrBlurUtils.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrBlurUtils_DEFINED
 #define GrBlurUtils_DEFINED
 
+#include "GrTextureProvider.h"
+
 class GrClip;
 class GrContext;
 class GrDrawContext;
 class GrRenderTarget;
 struct SkIRect;
 class SkMatrix;
 class SkPaint;
 class SkPath;
 
 
 /**
  *  Blur utilities.
  */
 namespace GrBlurUtils {
     /**
      * Draw a path handling the mask filter if present.
      */
     void drawPathWithMaskFilter(GrContext* context,
                                 GrDrawContext* drawContext,
                                 GrRenderTarget* rt,
                                 const GrClip& clip,
                                 const SkPath& origSrcPath,
                                 const SkPaint& paint,
                                 const SkMatrix& origViewMatrix,
                                 const SkMatrix* prePathMatrix,
                                 const SkIRect& clipBounds,
-                                bool pathIsMutable);
+                                bool pathIsMutable,
+                                GrTextureProvider::SizeConstraint);
 };
 
 #endif