Fix overflow:overlay scrollbar width for paint.

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2006, 2007 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.
  *
@@ skipping 1070 matching lines @@
       LayoutUnit* extraWidthToEndOfLine = nullptr) override;
 
   // Returns whether content which overflows should be clipped. This is not just
   // because of overflow clip, but other types of clip as well, such as
   // control clips or contain: paint.
   virtual bool shouldClipOverflow() const;
 
   // Returns the intersection of all overflow clips which apply.
   virtual LayoutRect overflowClipRect(
       const LayoutPoint& location,
-      OverlayScrollbarClipBehavior = IgnoreOverlayScrollbarSize) const;
+      OverlayScrollbarClipBehavior = IgnorePlatformOverlayScrollbarSize) const;
   LayoutRect clipRect(const LayoutPoint& location) const;
 
   // Returns the combination of overflow clip, contain: paint clip and CSS clip
   // for this object, in local space.
   LayoutRect clippingRect() const;
 
   virtual void paintBoxDecorationBackground(const PaintInfo&,
                                             const LayoutPoint&) const;
   virtual void paintMask(const PaintInfo&, const LayoutPoint&) const;
   void imageChanged(WrappedImagePtr, const IntRect* = nullptr) override;
@@ skipping 336 matching lines @@
       const PaintInvalidationState&) override;
   PaintInvalidationReason invalidatePaintIfNeeded(
       const PaintInvalidatorContext&) const override;
 
   bool columnFlexItemHasStretchAlignment() const;
   bool isStretchingColumnFlexItem() const;
   bool hasStretchedLogicalWidth() const;
 
   void excludeScrollbars(
       LayoutRect&,
-      OverlayScrollbarClipBehavior = IgnoreOverlayScrollbarSize) const;
+      OverlayScrollbarClipBehavior = IgnorePlatformOverlayScrollbarSize) const;
 
   LayoutUnit containingBlockLogicalWidthForPositioned(
       const LayoutBoxModelObject* containingBlock,
       bool checkForPerpendicularWritingMode = true) const;
   LayoutUnit containingBlockLogicalHeightForPositioned(
       const LayoutBoxModelObject* containingBlock,
       bool checkForPerpendicularWritingMode = true) const;
 
   static void computeBlockStaticDistance(
       Length& logicalTop,
@@ skipping 243 matching lines @@
          breakValue == EBreakBetween::kLeft ||
          breakValue == EBreakBetween::kPage ||
          breakValue == EBreakBetween::kRecto ||
          breakValue == EBreakBetween::kRight ||
          breakValue == EBreakBetween::kVerso;
 }
 
 }  // namespace blink
 
 #endif  // LayoutBox_h