Get rid of the full invalidation bool on FrameView.

sky/engine/core/rendering/RenderObject.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google 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
@@ skipping 341 matching lines @@
     // box-shadows, background-color and background-image, etc.
     enum BoxDecorationBackgroundState {
         NoBoxDecorationBackground,
         HasBoxDecorationBackgroundObscurationStatusInvalid,
         HasBoxDecorationBackgroundKnownToBeObscured,
         HasBoxDecorationBackgroundMayBeVisible,
     };
     bool hasBoxDecorationBackground() const { return m_bitfields.boxDecorationBackgroundState() != NoBoxDecorationBackground; }
     bool boxDecorationBackgroundIsKnownToBeObscured();
     bool canRenderBorderImage() const;
-    bool mustInvalidateBackgroundOrBorderPaintOnWidthChange() const;
-    bool mustInvalidateBackgroundOrBorderPaintOnHeightChange() const;
-    bool mustInvalidateFillLayersPaintOnWidthChange(const FillLayer&) const;
-    bool mustInvalidateFillLayersPaintOnHeightChange(const FillLayer&) const;
     bool hasBackground() const { return style()->hasBackground(); }
     bool hasEntirelyFixedBackground() const;
 
     bool needsLayoutBecauseOfChildren() const { return needsLayout() && !selfNeedsLayout() && !needsPositionedMovementLayout() && !needsSimplifiedNormalFlowLayout(); }
 
     bool needsLayout() const
     {
         return m_bitfields.selfNeedsLayout() || m_bitfields.normalChildNeedsLayout() || m_bitfields.posChildNeedsLayout()
             || m_bitfields.needsSimplifiedNormalFlowLayout() || m_bitfields.needsPositionedMovementLayout();
     }
@@ skipping 641 matching lines @@
 void showTree(const blink::RenderObject*);
 void showLineTree(const blink::RenderObject*);
 void showRenderTree(const blink::RenderObject* object1);
 // We don't make object2 an optional parameter so that showRenderTree
 // can be called from gdb easily.
 void showRenderTree(const blink::RenderObject* object1, const blink::RenderObject* object2);
 
 #endif
 
 #endif  // SKY_ENGINE_CORE_RENDERING_RENDEROBJECT_H_