Refactor ImageDecoder factories

third_party/WebKit/Source/platform/graphics/gpu/WebGLImageConversion.cpp

 // Copyright 2014 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 "platform/graphics/gpu/WebGLImageConversion.h"
 
 #include "platform/CheckedInt.h"
 #include "platform/graphics/ImageObserver.h"
 #include "platform/graphics/cpu/arm/WebGLImageConversionNEON.h"
 #include "platform/graphics/cpu/x86/WebGLImageConversionSSE.h"
@@ skipping 2124 matching lines @@
     RefPtr<SkImage> skiaImage = m_image->imageForCurrentFrame();
     SkImageInfo info = skiaImage
         ? SkImageInfo::MakeN32Premul(m_image->width(), m_image->height())
         : SkImageInfo::MakeUnknown();
     m_alphaOp = AlphaDoNothing;
     bool hasAlpha = skiaImage ? !skiaImage->isOpaque() : true;
 
     if ((!skiaImage || ignoreGammaAndColorProfile || (hasAlpha && !premultiplyAlpha)) && m_image->data()) {
         // Attempt to get raw unpremultiplied image data.
         std::unique_ptr<ImageDecoder> decoder(ImageDecoder::create(
-            ImageDecoder::determineImageType(*(m_image->data())), ImageDecoder::AlphaNotPremultiplied,
+            m_image->data(), true, ImageDecoder::AlphaNotPremultiplied,
             ignoreGammaAndColorProfile ? ImageDecoder::GammaAndColorProfileIgnored : ImageDecoder::GammaAndColorProfileApplied));
-        if (!decoder)
-            return;
-        decoder->setData(m_image->data(), true);
-        if (!decoder->frameCount())
+        if (!decoder || !decoder->frameCount())
             return;
         ImageFrame* frame = decoder->frameBufferAtIndex(0);
         if (!frame || frame->getStatus() != ImageFrame::FrameComplete)
             return;
         hasAlpha = frame->hasAlpha();
         SkBitmap bitmap = frame->bitmap();
         if (!frameIsValid(bitmap))
             return;
 
         // TODO(fmalita): Partial frames are not supported currently: frameIsValid ensures that
@@ skipping 244 matching lines @@
     }
 
     FormatConverter converter(width, height, sourceData, destinationData, srcStride, dstStride);
     converter.convert(sourceDataFormat, dstDataFormat, alphaOp);
     if (!converter.Success())
         return false;
     return true;
 }
 
 } // namespace blink