Remove RenderFlowThread::offsetFromLogicalTopOfFirstRegion().

Source/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 813 matching lines @@
 
     return m_compositor.get();
 }
 
 void RenderView::setIsInWindow(bool isInWindow)
 {
     if (m_compositor)
         m_compositor->setIsInWindow(isInWindow);
 }
 
-void RenderView::pushLayoutState(LayoutState& layoutState)
-{
-    if (RenderFlowThread* currentFlowThread = layoutState.flowThread())
-        currentFlowThread->pushFlowThreadLayoutState(layoutState.renderer());
-    m_layoutState = &layoutState;
-}
-
-void RenderView::popLayoutState()
-{
-    ASSERT(m_layoutState);
-    RenderFlowThread* currentFlowThread = m_layoutState->flowThread();
-    m_layoutState = m_layoutState->next();
-    if (currentFlowThread)
-        currentFlowThread->popFlowThreadLayoutState();
-}
-
 IntervalArena* RenderView::intervalArena()
 {
     if (!m_intervalArena)
         m_intervalArena = IntervalArena::create();
     return m_intervalArena.get();
 }
 
 bool RenderView::backgroundIsKnownToBeOpaqueInRect(const LayoutRect&) const
 {
     // FIXME: Remove this main frame check. Same concept applies to subframes too.
     if (!frame()->isMainFrame())
         return false;
 
     return m_frameView->hasOpaqueBackground();
 }
 
 double RenderView::layoutViewportWidth() const
 {
     float scale = m_frameView ? m_frameView->frame().pageZoomFactor() : 1;
     return viewWidth(IncludeScrollbars) / scale;
 }
 
 double RenderView::layoutViewportHeight() const
 {
     float scale = m_frameView ? m_frameView->frame().pageZoomFactor() : 1;
     return viewHeight(IncludeScrollbars) / scale;
 }
 
 } // namespace blink