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

third_party/WebKit/Source/platform/graphics/Image.cpp

 /*
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 167 matching lines @@
         ctxt.setImageInterpolationQuality(previousInterpolationQuality);
     } else {
         drawPattern(ctxt, srcRect, tileScaleFactor, patternPhase, op, dstRect);
     }
 
     startAnimation();
 }
 
 namespace {
 
-PassRefPtr<SkShader> createPatternShader(const SkImage* image, const SkMatrix& shaderMatrix,
+sk_sp<SkShader> createPatternShader(const SkImage* image, const SkMatrix& shaderMatrix,
     const SkPaint& paint, const FloatSize& spacing)
 {
     if (spacing.isZero())
-        return adoptRef(image->newShader(SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode, &shaderMatrix));
+        return image->makeShader(SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode, &shaderMatrix);
 
     // Arbitrary tiling is currently only supported for SkPictureShader - so we use it instead
     // of a plain bitmap shader to implement spacing.
     const SkRect tileRect = SkRect::MakeWH(
         image->width() + spacing.width(),
         image->height() + spacing.height());
 
     SkPictureRecorder recorder;
     SkCanvas* canvas = recorder.beginRecording(tileRect);
     canvas->drawImage(image, 0, 0, &paint);
-    RefPtr<const SkPicture> picture = adoptRef(recorder.endRecordingAsPicture());
+    sk_sp<SkPicture> picture(recorder.endRecordingAsPicture());
 
-    return adoptRef(SkShader::CreatePictureShader(
-        picture.get(), SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode, &shaderMatrix, nullptr));
+    return SkShader::MakePictureShader(
+        std::move(picture), SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode, &shaderMatrix, nullptr);
 }
 
 } // anonymous namespace
 
 void Image::drawPattern(GraphicsContext& context, const FloatRect& floatSrcRect, const FloatSize& scale,
     const FloatPoint& phase, SkXfermode::Mode compositeOp, const FloatRect& destRect, const FloatSize& repeatSpacing)
 {
     TRACE_EVENT0("skia", "Image::drawPattern");
 
     RefPtr<SkImage> image = imageForCurrentFrame();
@@ skipping 25 matching lines @@
     image = adoptRef(image->newSubset(enclosingIntRect(normSrcRect)));
     if (!image)
         return;
 
     {
         SkPaint paint = context.fillPaint();
         paint.setColor(SK_ColorBLACK);
         paint.setXfermodeMode(compositeOp);
         paint.setFilterQuality(context.computeFilterQuality(this, destRect, normSrcRect));
         paint.setAntiAlias(context.shouldAntialias());
-        RefPtr<SkShader> shader = createPatternShader(image.get(), localMatrix, paint,
-            FloatSize(repeatSpacing.width() / scale.width(), repeatSpacing.height() / scale.height()));
-        paint.setShader(shader.get());
+        paint.setShader(createPatternShader(image.get(), localMatrix, paint,
+            FloatSize(repeatSpacing.width() / scale.width(), repeatSpacing.height() / scale.height())));
         context.drawRect(destRect, paint);
     }
 
     if (currentFrameIsLazyDecoded())
         PlatformInstrumentation::didDrawLazyPixelRef(imageID);
 }
 
 PassRefPtr<Image> Image::imageForDefaultFrame()
 {
     RefPtr<Image> image(this);
 
     return image.release();
 }
 
 bool Image::isTextureBacked()
 {
     RefPtr<SkImage> image = imageForCurrentFrame();
     return image ? image->isTextureBacked() : false;
 }
 
 } // namespace blink