Refactor ImageDecoder factories

third_party/WebKit/Source/core/frame/ImageBitmap.cpp

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/frame/ImageBitmap.h"
 
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLVideoElement.h"
 #include "core/html/ImageData.h"
 #include "platform/graphics/AcceleratedStaticBitmapImage.h"
@@ skipping 209 matching lines @@
     if (srcRect.isEmpty() && !parsedOptions.premultiplyAlpha) {
         SkImageInfo info = SkImageInfo::Make(parsedOptions.resizeWidth, parsedOptions.resizeHeight, kN32_SkColorType, kUnpremul_SkAlphaType);
         std::unique_ptr<uint8_t[]> dstPixels = wrapArrayUnique(new uint8_t[info.width() * info.height() * info.bytesPerPixel()]());
         return StaticBitmapImage::create(newSkImageFromRaster(info, std::move(dstPixels), info.width() * info.bytesPerPixel()));
     }
 
     RefPtr<SkImage> skiaImage = image->imageForCurrentFrame();
     // Attempt to get raw unpremultiplied image data, executed only when skiaImage is premultiplied.
     if ((((!parsedOptions.premultiplyAlpha && !skiaImage->isOpaque()) || !skiaImage) && image->data() && imageFormat == PremultiplyAlpha) || colorSpaceOp == ImageDecoder::GammaAndColorProfileIgnored) {
         std::unique_ptr<ImageDecoder> decoder(ImageDecoder::create(
-            ImageDecoder::determineImageType(*(image->data())),
+            image->data(), true,
             parsedOptions.premultiplyAlpha ? ImageDecoder::AlphaPremultiplied : ImageDecoder::AlphaNotPremultiplied,
             colorSpaceOp));
         if (!decoder)
             return nullptr;
-        decoder->setData(image->data(), true);
         skiaImage = ImageBitmap::getSkImageFromDecoder(std::move(decoder));
         if (!skiaImage)
             return nullptr;
     }
 
     if (parsedOptions.cropRect == srcRect && !parsedOptions.shouldScaleInput) {
         RefPtr<SkImage> croppedSkImage = fromSkSp(skiaImage->makeSubset(srcRect));
         if (parsedOptions.flipY)
             return StaticBitmapImage::create(flipSkImageVertically(croppedSkImage.get(), parsedOptions.premultiplyAlpha ? PremultiplyAlpha : DontPremultiplyAlpha));
         // Special case: The first parameter image is unpremul but we need to turn it into premul.
@@ skipping 406 matching lines @@
 FloatSize ImageBitmap::elementSize(const FloatSize&) const
 {
     return FloatSize(width(), height());
 }
 
 DEFINE_TRACE(ImageBitmap)
 {
 }
 
 } // namespace blink