Remove ForceHorriblySlowRectMapping

third_party/WebKit/Source/core/layout/LayoutState.h

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 15 matching lines @@
 #ifndef LayoutState_h
 #define LayoutState_h
 
 #include "platform/geometry/LayoutRect.h"
 #include "wtf/Allocator.h"
 #include "wtf/HashMap.h"
 #include "wtf/Noncopyable.h"
 
 namespace blink {
 
-class ForceHorriblySlowRectMapping;
 class LayoutBox;
 class LayoutFlowThread;
 class LayoutObject;
 class LayoutView;
 
 // LayoutState is an optimization used during layout.
 //
 // LayoutState's purpose is to cache information as we walk down the container
 // block chain during layout. In particular, the absolute layout offset for the
 // current LayoutObject is O(1) when using LayoutState, when it is
@@ skipping 40 matching lines @@
     bool pageLogicalHeightChanged() const { return m_pageLogicalHeightChanged; }
     bool containingBlockLogicalWidthChanged() const { return m_containingBlockLogicalWidthChanged; }
 
     LayoutState* next() const { return m_next; }
 
     LayoutFlowThread* flowThread() const { return m_flowThread; }
 
     LayoutObject& layoutObject() const { return m_layoutObject; }
 
 private:
-    friend class ForceHorriblySlowRectMapping;
-
     // Do not add anything apart from bitfields until after m_flowThread. See https://bugs.webkit.org/show_bug.cgi?id=100173
     bool m_isPaginated : 1;
     // If our page height has changed, this will force all blocks to relayout.
     bool m_pageLogicalHeightChanged : 1;
     bool m_containingBlockLogicalWidthChanged : 1;
 
     LayoutFlowThread* m_flowThread;
 
     LayoutState* m_next;
 
     // x/y offset from container. Does not include relative positioning or scroll offsets.
     LayoutSize m_layoutOffset;
 
     // The current page height for the pagination model that encloses us.
     LayoutUnit m_pageLogicalHeight;
     // The offset of the start of the first page in the nearest enclosing pagination model.
     LayoutSize m_pageOffset;
 
     LayoutObject& m_layoutObject;
 };
 
 } // namespace blink
 
 #endif // LayoutState_h