Remove PlatformGestureEvent in favour of using WebGestureEvent

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 320 matching lines @@
 
   bool hasScrollbar() const {
     return hasHorizontalScrollbar() || hasVerticalScrollbar();
   }
   bool hasOverflowControls() const {
     return hasScrollbar() || scrollCorner() || resizer();
   }
 
   LayoutScrollbarPart* scrollCorner() const override { return m_scrollCorner; }
 
+  void resize(const WebGestureEvent&, const LayoutSize&);
   void resize(const PlatformEvent&, const LayoutSize&);
   IntSize offsetFromResizeCorner(const IntPoint& absolutePoint) const;
 
   bool inResizeMode() const { return m_inResizeMode; }
   void setInResizeMode(bool inResizeMode) { m_inResizeMode = inResizeMode; }
 
   IntRect touchResizerCornerRect(const IntRect& bounds) const {
     return resizerCornerRect(bounds, ResizerForTouch);
   }
 
@@ skipping 162 matching lines @@
   void updateScrollCornerStyle();
 
   // See comments on isPointInResizeControl.
   void updateResizerAreaSet();
   void updateResizerStyle();
 
   void updateScrollableAreaSet(bool hasOverflow);
 
   void updateCompositingLayersAfterScroll();
 
+  void resize(const IntPoint& pos, const LayoutSize& oldOffset);
+
   PaintLayerScrollableAreaRareData* rareData() { return m_rareData.get(); }
 
   PaintLayerScrollableAreaRareData& ensureRareData() {
     if (!m_rareData)
       m_rareData = makeUnique<PaintLayerScrollableAreaRareData>();
     return *m_rareData.get();
   }
 
   PaintLayer& m_layer;
 
@@ skipping 53 matching lines @@
 
 DEFINE_TYPE_CASTS(PaintLayerScrollableArea,
                   ScrollableArea,
                   scrollableArea,
                   scrollableArea->isPaintLayerScrollableArea(),
                   scrollableArea.isPaintLayerScrollableArea());
 
 }  // namespace blink
 
 #endif  // LayerScrollableArea_h