Reduce the number of parameters to LayoutStateMaintainer by one

Source/core/rendering/RenderView.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2006 Apple Computer, Inc.
  *
  * 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 265 matching lines @@
     unsigned m_renderCounterCount;
 };
 
 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderView, isRenderView());
 
 // Stack-based class to assist with LayoutState push/pop
 class LayoutStateMaintainer {
     WTF_MAKE_NONCOPYABLE(LayoutStateMaintainer);
 public:
     // ctor to push now
-    LayoutStateMaintainer(RenderView* view, RenderBox* root, LayoutSize offset, bool disableState = false, LayoutUnit pageHeight = 0, bool pageHeightChanged = false, ColumnInfo* colInfo = 0)
-        : m_view(view)
+    LayoutStateMaintainer(RenderBox* root, LayoutSize offset, bool disableState = false, LayoutUnit pageHeight = 0, bool pageHeightChanged = false, ColumnInfo* colInfo = 0)
+        : m_view(root->view())
         , m_disabled(disableState)
         , m_didStart(false)
         , m_didEnd(false)
         , m_didCreateLayoutState(false)
     {
         push(root, offset, pageHeight, pageHeightChanged, colInfo);
     }
 
     // ctor to maybe push later
-    LayoutStateMaintainer(RenderView* view)
-        : m_view(view)
+    LayoutStateMaintainer(RenderBox* root)
+        : m_view(root->view())
         , m_disabled(false)
         , m_didStart(false)
         , m_didEnd(false)
         , m_didCreateLayoutState(false)
     {
     }
 
     ~LayoutStateMaintainer()
     {
         ASSERT(m_didStart == m_didEnd);   // if this fires, it means that someone did a push(), but forgot to pop().
@@ skipping 48 matching lines @@
         if (m_view)
             m_view->enableLayoutState();
     }
 private:
     RenderView* m_view;
 };
 
 } // namespace WebCore
 
 #endif // RenderView_h