Get rid of lazy block.

Source/core/rendering/RenderView.h

Index: Source/core/rendering/RenderView.h
diff --git a/Source/core/rendering/RenderView.h b/Source/core/rendering/RenderView.h
index 80061e0f7d9c10cacd74536cf95ab91e1eb11ef5..21ba4f4335933673f1cd4ffe9d09d1e50613f07f 100644
--- a/Source/core/rendering/RenderView.h
+++ b/Source/core/rendering/RenderView.h
@@ -33,7 +33,6 @@ namespace WebCore {
 class CustomFilterGlobalContext;
 class FlowThreadController;
 class RenderLayerCompositor;
-class RenderLazyBlock;
 class RenderQuote;
 class RenderWidget;
 
@@ -185,10 +184,6 @@ public:
     void setRenderQuoteHead(RenderQuote* head) { m_renderQuoteHead = head; }
     RenderQuote* renderQuoteHead() const { return m_renderQuoteHead; }
 
-    void setFirstLazyBlock(RenderLazyBlock* block) { m_firstLazyBlock = block; }
-    RenderLazyBlock* firstLazyBlock() const { return m_firstLazyBlock; }
-    void markLazyBlocksForLayout();
-
     // FIXME: This is a work around because the current implementation of counters
     // requires walking the entire tree repeatedly and most pages don't actually use either
     // feature so we shouldn't take the performance hit when not needed. Long term we should
@@ -283,7 +278,6 @@ private:
     OwnPtr<FlowThreadController> m_flowThreadController;
     RefPtr<IntervalArena> m_intervalArena;
 
-    RenderLazyBlock* m_firstLazyBlock;
     RenderQuote* m_renderQuoteHead;
     unsigned m_renderCounterCount;
 };