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 0d5aeb28eb3748f62d80ff180b34e0ccfcbf95d1..eb94d749bebc465c17588319fc237a9c934fa493 100644
--- a/third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.h
+++ b/third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.h
@@ -338,6 +338,7 @@ class CORE_EXPORT PaintLayerScrollableArea final
 
   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;
 
@@ -520,6 +521,8 @@ class CORE_EXPORT PaintLayerScrollableArea final
 
   void updateCompositingLayersAfterScroll();
 
+  void resize(const IntPoint& pos, const LayoutSize& oldOffset);
+
   PaintLayerScrollableAreaRareData* rareData() { return m_rareData.get(); }
 
   PaintLayerScrollableAreaRareData& ensureRareData() {