Remove PlatformGestureEvent in favour of using WebGestureEvent

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

Index: third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.h
diff --git a/third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.h b/third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.h
index e50b22e5205e7f496382be7851be5b05eca1ee41..ea237d5316e3f3947d011ec68a8134563df0cfb8 100644
--- a/third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.h
+++ b/third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.h
@@ -63,7 +63,6 @@ class HitTestResult;
 class LayoutBox;
 class LayoutScrollbarPart;
 class PaintLayer;
-class PlatformEvent;
 class StickyPositionScrollingConstraints;
 class SubtreeLayoutScope;
 
@@ -338,7 +337,7 @@ class CORE_EXPORT PaintLayerScrollableArea final
 
   LayoutScrollbarPart* scrollCorner() const override { return m_scrollCorner; }
 
-  void resize(const PlatformEvent&, const LayoutSize&);
+  void resize(const IntPoint& pos, const LayoutSize& oldOffset);
   IntSize offsetFromResizeCorner(const IntPoint& absolutePoint) const;
 
   bool inResizeMode() const { return m_inResizeMode; }