Take NativeImageSkia out behind the woodshed.

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 "config.h"
 #include "core/frame/ImageBitmap.h"
 
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLVideoElement.h"
 #include "core/html/ImageData.h"
@@ skipping 13 matching lines @@
         std::max(rect.width(), -rect.width()),
         std::max(rect.height(), -rect.height()));
 }
 
 static inline PassRefPtr<Image> cropImage(Image* image, const IntRect& cropRect)
 {
     IntRect intersectRect = intersection(IntRect(IntPoint(), image->size()), cropRect);
     if (!intersectRect.width() || !intersectRect.height())
         return nullptr;
 
+    SkBitmap bitmap;
+    if (!image->bitmapForCurrentFrame(&bitmap))
+        return nullptr;
+
     SkBitmap cropped;
-    image->nativeImageForCurrentFrame()->bitmap().extractSubset(&cropped, intersectRect);
-    return BitmapImage::create(NativeImageSkia::create(cropped));
+    bitmap.extractSubset(&cropped, intersectRect);
+    return BitmapImage::create(cropped);
 }
 
 ImageBitmap::ImageBitmap(HTMLImageElement* image, const IntRect& cropRect)
     : m_imageElement(image)
     , m_bitmap(nullptr)
     , m_cropRect(cropRect)
 {
     IntRect srcRect = intersection(cropRect, IntRect(0, 0, image->width(), image->height()));
     m_bitmapRect = IntRect(IntPoint(std::max(0, -cropRect.x()), std::max(0, -cropRect.y())), srcRect.size());
     m_bitmapOffset = srcRect.location();
@@ skipping 188 matching lines @@
     return FloatSize(width(), height());
 }
 
 DEFINE_TRACE(ImageBitmap)
 {
     visitor->trace(m_imageElement);
     ImageLoaderClient::trace(visitor);
 }
 
 } // namespace blink