First pass at deleting paint invalidation code.

sky/engine/core/rendering/RenderView.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple 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
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 267 matching lines @@
 void RenderView::invalidateTreeIfNeeded(const PaintInvalidationState& paintInvalidationState)
 {
     ASSERT(!needsLayout());
 
     // We specifically need to issue paint invalidations for the viewRect since other renderers
     // short-circuit on full-paint invalidation.
     LayoutRect dirtyRect = viewRect();
     if (doingFullPaintInvalidation() && !dirtyRect.isEmpty()) {
         const RenderLayerModelObject* paintInvalidationContainer = &paintInvalidationState.paintInvalidationContainer();
         mapRectToPaintInvalidationBacking(paintInvalidationContainer, dirtyRect, &paintInvalidationState);
-        invalidatePaintUsingContainer(paintInvalidationContainer, dirtyRect, InvalidationFull);
     }
     RenderBlock::invalidateTreeIfNeeded(paintInvalidationState);
 }
 
 void RenderView::invalidatePaintForRectangle(const LayoutRect& paintInvalidationRect) const
 {
     ASSERT(!paintInvalidationRect.isEmpty());
 
     if (m_frameView)
         m_frameView->contentRectangleForPaintInvalidation(pixelSnappedIntRect(paintInvalidationRect));
@@ skipping 404 matching lines @@
     m_iframes.remove(iframe);
 }
 
 void RenderView::updateIFramesAfterLayout()
 {
     for (auto& iframe: m_iframes)
         iframe->updateWidgetBounds();
 }
 
 } // namespace blink