[Layout API] Use layoutViewItem() in Internals

third_party/WebKit/Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 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.
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     }
 
     LayoutViewItem layoutViewItem = document->layoutViewItem();
     if (!layoutViewItem.isNull())
         layoutViewItem.invalidatePaintForViewAndCompositedLayers();
 }
 
 void Internals::startTrackingPaintInvalidationObjects()
 {
     ASSERT(RuntimeEnabledFeatures::slimmingPaintV2Enabled());
-    GraphicsLayer* graphicsLayer = toLocalFrame(frame()->page()->mainFrame())->view()->layoutView()->layer()->graphicsLayerBacking();
+    GraphicsLayer* graphicsLayer = toLocalFrame(frame()->page()->mainFrame())->view()->layoutViewItem().layer()->graphicsLayerBacking();
     if (graphicsLayer->drawsContent())
         graphicsLayer->getPaintController().startTrackingPaintInvalidationObjects();
 }
 
 void Internals::stopTrackingPaintInvalidationObjects()
 {
     ASSERT(RuntimeEnabledFeatures::slimmingPaintV2Enabled());
-    GraphicsLayer* graphicsLayer = toLocalFrame(frame()->page()->mainFrame())->view()->layoutView()->layer()->graphicsLayerBacking();
+    GraphicsLayer* graphicsLayer = toLocalFrame(frame()->page()->mainFrame())->view()->layoutViewItem().layer()->graphicsLayerBacking();
     if (graphicsLayer->drawsContent())
         graphicsLayer->getPaintController().stopTrackingPaintInvalidationObjects();
 }
 
 Vector<String> Internals::trackedPaintInvalidationObjects()
 {
     ASSERT(RuntimeEnabledFeatures::slimmingPaintV2Enabled());
-    GraphicsLayer* graphicsLayer = toLocalFrame(frame()->page()->mainFrame())->view()->layoutView()->layer()->graphicsLayerBacking();
+    GraphicsLayer* graphicsLayer = toLocalFrame(frame()->page()->mainFrame())->view()->layoutViewItem().layer()->graphicsLayerBacking();
     if (!graphicsLayer->drawsContent())
         return Vector<String>();
     return graphicsLayer->getPaintController().trackedPaintInvalidationObjects();
 }
 
 ClientRectList* Internals::draggableRegions(Document* document, ExceptionState& exceptionState)
 {
     return annotatedRegions(document, true, exceptionState);
 }
 
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 }
 
 String Internals::getProgrammaticScrollAnimationState(Node* node) const
 {
     if (ScrollableArea* scrollableArea = scrollableAreaForNode(node))
         return scrollableArea->programmaticScrollAnimator().runStateAsText();
     return String();
 }
 
 } // namespace blink