use Make instead of Create to return a shared shader

src/effects/SkTileImageFilter.cpp

Index: src/effects/SkTileImageFilter.cpp
diff --git a/src/effects/SkTileImageFilter.cpp b/src/effects/SkTileImageFilter.cpp
index 66cad47ad031dda661e88d0ef5df09bb55cc2409..dff8e9bbfc7264d6756251ac38f9aa9d26736dae 100644
--- a/src/effects/SkTileImageFilter.cpp
+++ b/src/effects/SkTileImageFilter.cpp
@@ -96,10 +96,8 @@ bool SkTileImageFilter::onFilterImageDeprecated(Proxy* proxy, const SkBitmap& sr
     SkCanvas canvas(device);
     SkPaint paint;
     paint.setXfermodeMode(SkXfermode::kSrc_Mode);
-
-    SkAutoTUnref<SkShader> shader(SkShader::CreateBitmapShader(subset,
-                                  SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode));
-    paint.setShader(shader);
+    paint.setShader(SkShader::MakeBitmapShader(subset, SkShader::kRepeat_TileMode,
+                                               SkShader::kRepeat_TileMode));
     canvas.translate(-dstRect.fLeft, -dstRect.fTop);
     canvas.drawRect(dstRect, paint);
     *dst = device->accessBitmap(false);