Fix overflow:overlay scrollbar width for paint.

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 155 matching lines @@
   void invalidatePaintForSelection();
 
   void absoluteRects(Vector<IntRect>&,
                      const LayoutPoint& accumulatedOffset) const override;
   void absoluteQuads(Vector<FloatQuad>&,
                      MapCoordinatesFlags mode = 0) const override;
 
   LayoutRect viewRect() const override;
   LayoutRect overflowClipRect(
       const LayoutPoint& location,
-      OverlayScrollbarClipBehavior = IgnoreOverlayScrollbarSize) const override;
+      OverlayScrollbarClipBehavior =
+          IgnorePlatformOverlayScrollbarSize) const override;
 
   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; }
@@ skipping 139 matching lines @@
   unsigned m_hitTestCount;
   unsigned m_hitTestCacheHits;
   Persistent<HitTestCache> m_hitTestCache;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutView, isLayoutView());
 
 }  // namespace blink
 
 #endif  // LayoutView_h