Move CalculateScrollbarModes from FrameView to LayoutView.

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 144 matching lines @@
                      const LayoutPoint& accumulated_offset) const override;
   void AbsoluteQuads(Vector<FloatQuad>&,
                      MapCoordinatesFlags mode = 0) const override;
 
   LayoutRect ViewRect() const override;
   LayoutRect OverflowClipRect(
       const LayoutPoint& location,
       OverlayScrollbarClipBehavior =
           kIgnorePlatformOverlayScrollbarSize) const override;
 
+  void CalculateScrollbarModes(ScrollbarMode& h_mode,
+                               ScrollbarMode& v_mode) const;
+
   LayoutState* GetLayoutState() const { return layout_state_; }
 
   void UpdateHitTestResult(HitTestResult&, const LayoutPoint&) override;
 
   ViewFragmentationContext* FragmentationContext() const {
     return fragmentation_context_.get();
   }
 
   LayoutUnit PageLogicalHeight() const { return page_logical_height_; }
   void SetPageLogicalHeight(LayoutUnit height) {
@@ skipping 123 matching lines @@
   unsigned hit_test_count_;
   unsigned hit_test_cache_hits_;
   Persistent<HitTestCache> hit_test_cache_;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutView, IsLayoutView());
 
 }  // namespace blink
 
 #endif  // LayoutView_h