More explicit LayoutUnit conversions

third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.h

 /*
  * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 333 matching lines @@
     bool hasScrollableVerticalOverflow() const;
     bool visualViewportSuppliesScrollbars() const;
 
     bool needsScrollbarReconstruction() const;
 
     void computeScrollDimensions();
 
     void setScrollOffset(const IntPoint&, ScrollType) override;
     void setScrollOffset(const DoublePoint&, ScrollType) override;
 
-    LayoutUnit verticalScrollbarStart(int minX, int maxX) const;
-    LayoutUnit horizontalScrollbarStart(int minX) const;
+    int verticalScrollbarStart(int minX, int maxX) const;
+    int horizontalScrollbarStart(int minX) const;
     IntSize scrollbarOffset(const Scrollbar&) const;
 
     void setHasHorizontalScrollbar(bool hasScrollbar);
     void setHasVerticalScrollbar(bool hasScrollbar);
 
     void updateScrollCornerStyle();
 
     // See comments on isPointInResizeControl.
     void updateResizerAreaSet();
     void updateResizerStyle();
@@ skipping 42 matching lines @@
     LayoutScrollbarPart* m_resizer;
 
 #if ENABLE(ASSERT)
     bool m_hasBeenDisposed;
 #endif
 };
 
 } // namespace blink
 
 #endif // LayerScrollableArea_h