Take NativeImageSkia out behind the woodshed.

Source/platform/graphics/GraphicsLayer.cpp

 /*
  * Copyright (C) 2009 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 21 matching lines @@
 #include "platform/TraceEvent.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/geometry/LayoutRect.h"
 #include "platform/graphics/FirstPaintInvalidationTracking.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/GraphicsLayerFactory.h"
 #include "platform/graphics/Image.h"
 #include "platform/graphics/filters/SkiaImageFilterBuilder.h"
 #include "platform/graphics/paint/DisplayItemList.h"
 #include "platform/graphics/paint/DrawingRecorder.h"
-#include "platform/graphics/skia/NativeImageSkia.h"
 #include "platform/scroll/ScrollableArea.h"
 #include "platform/text/TextStream.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebCompositorAnimation.h"
 #include "public/platform/WebCompositorSupport.h"
 #include "public/platform/WebFilterOperations.h"
 #include "public/platform/WebFloatPoint.h"
 #include "public/platform/WebFloatRect.h"
 #include "public/platform/WebGraphicsLayerDebugInfo.h"
 #include "public/platform/WebLayer.h"
@@ skipping 948 matching lines @@
 {
     if (rect == m_contentsRect)
         return;
 
     m_contentsRect = rect;
     updateContentsRect();
 }
 
 void GraphicsLayer::setContentsToImage(Image* image)
 {
-    RefPtr<NativeImageSkia> nativeImage = image ? image->nativeImageForCurrentFrame() : nullptr;
-    if (nativeImage) {
+    SkBitmap bitmap;
+    if (image) {
+        bitmap = image->bitmapForCurrentFrame();
+    }
+    if (!bitmap.isNull()) {
         if (!m_imageLayer) {
             m_imageLayer = adoptPtr(Platform::current()->compositorSupport()->createImageLayer());
             registerContentsLayer(m_imageLayer->layer());
         }
-        m_imageLayer->setImageBitmap(nativeImage->bitmap());
+        m_imageLayer->setImageBitmap(bitmap);
         m_imageLayer->layer()->setOpaque(image->currentFrameKnownToBeOpaque());
         updateContentsRect();
     } else {
         if (m_imageLayer) {
             unregisterContentsLayer(m_imageLayer->layer());
             m_imageLayer.clear();
         }
     }
 
     setContentsTo(m_imageLayer ? m_imageLayer->layer() : 0);
 }
 
 void GraphicsLayer::setContentsToNinePatch(Image* image, const IntRect& aperture)
 {
     if (m_ninePatchLayer) {
         unregisterContentsLayer(m_ninePatchLayer->layer());
         m_ninePatchLayer.clear();
     }
-    RefPtr<NativeImageSkia> nativeImage = image ? image->nativeImageForCurrentFrame() : nullptr;
-    if (nativeImage) {
+    SkBitmap bitmap;
+    if (image) {
+        bitmap = image->bitmapForCurrentFrame();
+    }
+    if (!bitmap.isNull()) {
         m_ninePatchLayer = adoptPtr(Platform::current()->compositorSupport()->createNinePatchLayer());
-        const SkBitmap& bitmap = nativeImage->bitmap();
         int borderWidth = bitmap.width() - aperture.width();
         int borderHeight = bitmap.height() - aperture.height();
         WebRect border(aperture.x(), aperture.y(), borderWidth, borderHeight);
 
         m_ninePatchLayer->setBitmap(bitmap);
         m_ninePatchLayer->setAperture(aperture);
         m_ninePatchLayer->setBorder(border);
 
         m_ninePatchLayer->layer()->setOpaque(image->currentFrameKnownToBeOpaque());
         registerContentsLayer(m_ninePatchLayer->layer());
@@ skipping 122 matching lines @@
 #ifndef NDEBUG
 void showGraphicsLayerTree(const blink::GraphicsLayer* layer)
 {
     if (!layer)
         return;
 
     String output = layer->layerTreeAsText(blink::LayerTreeIncludesDebugInfo);
     fprintf(stderr, "%s\n", output.utf8().data());
 }
 #endif