Remove PlatformGestureEvent in favour of using WebGestureEvent

third_party/WebKit/Source/platform/scroll/Scrollbar.h

 /*
  * Copyright (C) 2004, 2006 Apple Computer, Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 21 matching lines @@
 #include "platform/heap/Handle.h"
 #include "platform/scroll/ScrollTypes.h"
 #include "platform/scroll/ScrollbarThemeClient.h"
 #include "wtf/MathExtras.h"
 
 namespace blink {
 
 class GraphicsContext;
 class HostWindow;
 class IntRect;
-class PlatformGestureEvent;
 class PlatformMouseEvent;
 class ScrollableArea;
 class ScrollbarTheme;
+class WebGestureEvent;
 
 class PLATFORM_EXPORT Scrollbar : public Widget,
                                   public ScrollbarThemeClient,
                                   public DisplayItemClient {
  public:
   static Scrollbar* create(ScrollableArea* scrollableArea,
                            ScrollbarOrientation orientation,
                            ScrollbarControlSize size,
                            HostWindow* hostWindow) {
     return new Scrollbar(scrollableArea, orientation, size, hostWindow);
@@ skipping 75 matching lines @@
   void paint(GraphicsContext&, const CullRect&) const final;
 
   bool isOverlayScrollbar() const override;
   bool shouldParticipateInHitTesting();
 
   bool isWindowActive() const;
 
   // Return if the gesture event was handled. |shouldUpdateCapture|
   // will be set to true if the handler should update the capture
   // state for this scrollbar.
-  bool gestureEvent(const PlatformGestureEvent&, bool* shouldUpdateCapture);
+  bool gestureEvent(const WebGestureEvent&, bool* shouldUpdateCapture);
 
   // These methods are used for platform scrollbars to give :hover feedback.
   // They will not get called when the mouse went down in a scrollbar, since it
   // is assumed the scrollbar will start
   // grabbing all events in that case anyway.
   void mouseMoved(const PlatformMouseEvent&);
   void mouseEntered();
   void mouseExited();
 
   // Used by some platform scrollbars to know when they've been released from
@@ skipping 106 matching lines @@
 
 DEFINE_TYPE_CASTS(Scrollbar,
                   Widget,
                   widget,
                   widget->isScrollbar(),
                   widget.isScrollbar());
 
 }  // namespace blink
 
 #endif  // Scrollbar_h