Add sk_sp helpers and switch Blink SkShader clients to the new APIs

third_party/WebKit/Source/core/svg/graphics/SVGImage.cpp

Index: third_party/WebKit/Source/core/svg/graphics/SVGImage.cpp
diff --git a/third_party/WebKit/Source/core/svg/graphics/SVGImage.cpp b/third_party/WebKit/Source/core/svg/graphics/SVGImage.cpp
index cfff39bdf3c995aacf7a0f325facf0fe58144ecb..12973eaed3fa17d6d7470d25f1fa367e1b8a2916 100644
--- a/third_party/WebKit/Source/core/svg/graphics/SVGImage.cpp
+++ b/third_party/WebKit/Source/core/svg/graphics/SVGImage.cpp
@@ -286,16 +286,14 @@ void SVGImage::drawPatternForContainer(GraphicsContext& context, const FloatSize
         SkPaint paint;
         drawForContainer(patternPicture.context().canvas(), paint, containerSize, zoom, tile, srcRect, url);
     }
-    RefPtr<const SkPicture> tilePicture = patternPicture.endRecording();
+    RefPtr<SkPicture> tilePicture = patternPicture.endRecording();
 
     SkMatrix patternTransform;
     patternTransform.setTranslate(phase.x() + spacedTile.x(), phase.y() + spacedTile.y());
-    RefPtr<SkShader> patternShader = adoptRef(SkShader::CreatePictureShader(
-        tilePicture.get(), SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode,
-        &patternTransform, nullptr));
 
     SkPaint paint;
-    paint.setShader(patternShader.get());
+    paint.setShader(SkShader::MakePictureShader(toSkSp(tilePicture.release()),
+        SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode, &patternTransform, nullptr));
     paint.setXfermodeMode(compositeOp);
     paint.setColorFilter(context.colorFilter());
     context.drawRect(dstRect, paint);