Move all fast-path paint invalidation mapping into PaintInvalidationState

third_party/WebKit/Source/core/layout/LayoutPart.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
  * Copyright (C) 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. 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 331 matching lines @@
         return false;
 
     RefPtr<LayoutPart> protector(this);
     RefPtrWillBeRawPtr<Node> protectedNode(node());
     widget->setFrameRect(newFrame);
     return widget->frameRect().size() != newFrame.size();
 }
 
 void LayoutPart::invalidatePaintOfSubtreesIfNeeded(const PaintInvalidationState& paintInvalidationState)
 {
-    if (widget() && widget()->isFrameView()) {
+    if (widget() && widget()->isFrameView() && !isThrottledFrameView()) {
         FrameView* childFrameView = toFrameView(widget());
         // |childFrameView| is in another document, which could be
         // missing its LayoutView. TODO(jchaffraix): Ideally we should
         // not need this code.
         if (LayoutView* childLayoutView = childFrameView->layoutView()) {
-            PaintInvalidationState childViewPaintInvalidationState(*childLayoutView, paintInvalidationState);
+            PaintInvalidationState childViewPaintInvalidationState(paintInvalidationState, *childLayoutView);
             childFrameView->invalidateTreeIfNeeded(childViewPaintInvalidationState);
         }
     }
 
     LayoutReplaced::invalidatePaintOfSubtreesIfNeeded(paintInvalidationState);
 }
 
 bool LayoutPart::isThrottledFrameView() const
 {
     if (!widget() || !widget()->isFrameView())
         return false;
     const FrameView* frameView = toFrameView(widget());
     return frameView->shouldThrottleRendering();
 }
 
 } // namespace blink