Update SkImageSource to sk_sp

gm/imagefiltersgraph.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 
 #include "SkArithmeticMode.h"
@@ skipping 100 matching lines @@
     SkISize onISize() override { return SkISize::Make(600, 150); }
 
     void onOnceBeforeDraw() override {
         fImage = SkImage::MakeFromBitmap(
             sk_tool_utils::create_string_bitmap(100, 100, SK_ColorWHITE, 20, 70, 96, "e"));
     }
 
     void onDraw(SkCanvas* canvas) override {
         canvas->clear(SK_ColorBLACK);
         {
-            sk_sp<SkImageFilter> bitmapSource(SkImageSource::Create(fImage.get()));
+            sk_sp<SkImageFilter> bitmapSource(SkImageSource::Make(fImage));
             sk_sp<SkColorFilter> cf(SkColorFilter::MakeModeFilter(SK_ColorRED,
                                                                   SkXfermode::kSrcIn_Mode));
             sk_sp<SkImageFilter> blur(SkBlurImageFilter::Create(4.0f, 4.0f, bitmapSource.get()));
             sk_sp<SkImageFilter> erode(SkErodeImageFilter::Create(4, 4, blur.get()));
             sk_sp<SkImageFilter> color(SkColorFilterImageFilter::Create(cf.get(), erode.get()));
             sk_sp<SkImageFilter> merge(SkMergeImageFilter::Make(blur, color));
 
             SkPaint paint;
             paint.setImageFilter(std::move(merge));
             canvas->drawPaint(paint);
@@ skipping 106 matching lines @@
     }
 
     sk_sp<SkImage> fImage;
 
     typedef GM INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new ImageFiltersGraphGM;)