Add infrastructure for partial layouts

Source/core/rendering/RenderProgress.h

 /*
  * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
  *
  * 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 27 matching lines @@
 
     bool isDeterminate() const;
     virtual void updateFromElement();
 
     HTMLProgressElement* progressElement() const;
 
 private:
     virtual const char* renderName() const { return "RenderProgress"; }
     virtual bool isProgress() const { return true; }
     virtual bool requiresForcedStyleRecalcPropagation() const { return true; }
+    virtual bool supportsPartialLayout() const OVERRIDE { return false; }
     virtual bool canBeReplacedWithInlineRunIn() const OVERRIDE;
 
     void animationTimerFired(Timer<RenderProgress>*);
     void updateAnimationState();
 
     double m_position;
     double m_animationStartTime;
     double m_animationRepeatInterval;
     double m_animationDuration;
     bool m_animating;
     Timer<RenderProgress> m_animationTimer;
 };
 
 inline RenderProgress* toRenderProgress(RenderObject* object)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isProgress());
     return static_cast<RenderProgress*>(object);
 }
 
 // This will catch anyone doing an unnecessary cast.
 void toRenderProgress(const RenderProgress*);
 
 } // namespace WebCore
 
 #endif // RenderProgress_h