Update SkBlurImageFilter to sk_sp

gm/complexclip_blur_tiled.cpp

Index: gm/complexclip_blur_tiled.cpp
diff --git a/gm/complexclip_blur_tiled.cpp b/gm/complexclip_blur_tiled.cpp
index 9413e64e07d4cce42774486a69edc695b50897fc..979c7e7423fa81cfb6bcc62beea99d81b9adfe29 100644
--- a/gm/complexclip_blur_tiled.cpp
+++ b/gm/complexclip_blur_tiled.cpp
@@ -31,22 +31,21 @@ protected:
 
     void onDraw(SkCanvas* canvas) override {
         SkPaint blurPaint;
-        SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create(5.0f, 5.0f));
-        blurPaint.setImageFilter(blur);
-        const SkScalar tile_size = SkIntToScalar(128);
+        blurPaint.setImageFilter(SkBlurImageFilter::Make(5.0f, 5.0f, nullptr));
+        const SkScalar tileSize = SkIntToScalar(128);
         SkRect bounds;
         if (!canvas->getClipBounds(&bounds)) {
             bounds.setEmpty();
         }
-        int ts = SkScalarCeilToInt(tile_size);
+        int ts = SkScalarCeilToInt(tileSize);
         SkImageInfo info = SkImageInfo::MakeN32Premul(ts, ts);
         auto tileSurface(canvas->makeSurface(info));
         if (!tileSurface) {
             tileSurface = SkSurface::MakeRaster(info);
         }
         SkCanvas* tileCanvas = tileSurface->getCanvas();
-        for (SkScalar y = bounds.top(); y < bounds.bottom(); y += tile_size) {
-            for (SkScalar x = bounds.left(); x < bounds.right(); x += tile_size) {
+        for (SkScalar y = bounds.top(); y < bounds.bottom(); y += tileSize) {
+            for (SkScalar x = bounds.left(); x < bounds.right(); x += tileSize) {
                 tileCanvas->save();
                 tileCanvas->clear(0);
                 tileCanvas->translate(-x, -y);
@@ -69,7 +68,6 @@ private:
 
 //////////////////////////////////////////////////////////////////////////////
 
-static GM* MyFactory1(void*) { return new ComplexClipBlurTiledGM(); }
-static GMRegistry reg1(MyFactory1);
+DEF_GM(return new ComplexClipBlurTiledGM;)
 
 }