Move feConvolveMatrix error handling to FEConvolveMatrix

third_party/WebKit/Source/core/svg/graphics/filters/SVGFEImage.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * Copyright (C) 2005 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2010 Dirk Schulze <krit@webkit.org>
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 172 matching lines @@
 
     RefPtr<SkImageFilter> result = adoptRef(SkPictureImageFilter::Create(recording.get(), dstRect));
     return result.release();
 }
 
 PassRefPtr<SkImageFilter> FEImage::createImageFilter(SkiaImageFilterBuilder* builder)
 {
     if (auto* layoutObject = referencedLayoutObject())
         return createImageFilterForLayoutObject(*layoutObject, builder);
 
-    FloatRect dstRect = filterPrimitiveSubregion();
-
     RefPtr<SkImage> image = m_image ? m_image->imageForCurrentFrame() : nullptr;
     if (!image) {
         // "A href reference that is an empty image (zero width or zero height), that fails
         // to download, is non-existent, or that cannot be displayed (e.g. because it is
         // not in a supported image format) fills the filter primitive subregion with
         // transparent black."
-        return adoptRef(SkPictureImageFilter::Create(nullptr, dstRect));
+        return createTransparentBlack();
     }
 
     FloatRect srcRect = FloatRect(FloatPoint(), m_image->size());
+    FloatRect dstRect = filterPrimitiveSubregion();
 
     m_preserveAspectRatio->transformRect(dstRect, srcRect);
 
     return adoptRef(SkImageSource::Create(image.get(), srcRect, dstRect, kHigh_SkFilterQuality));
 }
 
 } // namespace blink