Remove pageLogicalHeightChanged() from LayoutState.

third_party/WebKit/Source/core/layout/LayoutView.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 150 matching lines @@
 
   LayoutState* layoutState() const { return m_layoutState; }
 
   void updateHitTestResult(HitTestResult&, const LayoutPoint&) override;
 
   ViewFragmentationContext* fragmentationContext() const {
     return m_fragmentationContext.get();
   }
 
   LayoutUnit pageLogicalHeight() const { return m_pageLogicalHeight; }
-  void setPageLogicalHeight(LayoutUnit height) {
-    if (m_pageLogicalHeight != height) {
-      m_pageLogicalHeight = height;
-      m_pageLogicalHeightChanged = true;
-    }
-  }
-  bool pageLogicalHeightChanged() const { return m_pageLogicalHeightChanged; }
+  void setPageLogicalHeight(LayoutUnit height) { m_pageLogicalHeight = height; }
 
   // Notification that this view moved into or out of a native window.
   void setIsInWindow(bool);
 
   PaintLayerCompositor* compositor();
   bool usesCompositing() const;
 
   LayoutRect backgroundRect(LayoutBox* backgroundLayoutObject) const;
 
   IntRect documentRect() const;
@@ skipping 113 matching lines @@
   // TODO(yosin): Clarify the meaning of these variables. editing/ passes
   // them as offsets in the DOM tree  but layout uses them as offset in the
   // layout tree.
   int m_selectionStartPos;
   int m_selectionEndPos;
 
   // The page logical height.
   // This is only used during printing to split the content into pages.
   // Outside of printing, this is 0.
   LayoutUnit m_pageLogicalHeight;
-  bool m_pageLogicalHeightChanged;
 
   // LayoutState is an optimization used during layout.
   // |m_layoutState| will be nullptr outside of layout.
   //
   // See the class comment for more details.
   LayoutState* m_layoutState;
 
   std::unique_ptr<ViewFragmentationContext> m_fragmentationContext;
   std::unique_ptr<PaintLayerCompositor> m_compositor;
   RefPtr<IntervalArena> m_intervalArena;
 
   LayoutQuote* m_layoutQuoteHead;
   unsigned m_layoutCounterCount;
 
   unsigned m_hitTestCount;
   unsigned m_hitTestCacheHits;
   Persistent<HitTestCache> m_hitTestCache;
 
   Vector<LayoutMedia*> m_mediaForPositionNotification;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutView, isLayoutView());
 
 }  // namespace blink
 
 #endif  // LayoutView_h