Remove PlatformGestureEvent in favour of using WebGestureEvent

third_party/WebKit/Source/web/WebPagePopupImpl.cpp

 /*
  * Copyright (C) 2012 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 452 matching lines @@
   if (m_closing || !m_page || !m_page->mainFrame() ||
       !toLocalFrame(m_page->mainFrame())->view())
     return WebInputEventResult::NotHandled;
   if ((event.type == WebInputEvent::GestureTap ||
        event.type == WebInputEvent::GestureTapDown) &&
       !isViewportPointInWindow(event.x, event.y)) {
     cancel();
     return WebInputEventResult::NotHandled;
   }
   LocalFrame& frame = *toLocalFrame(m_page->mainFrame());
-  return frame.eventHandler().handleGestureEvent(
-      PlatformGestureEventBuilder(frame.view(), event));
+  WebGestureEvent scaledEvent = TransformWebGestureEvent(frame.view(), event);
+  return frame.eventHandler().handleGestureEvent(scaledEvent);
 }
 
 void WebPagePopupImpl::handleMouseDown(LocalFrame& mainFrame,
                                        const WebMouseEvent& event) {
   if (isViewportPointInWindow(event.x, event.y))
     PageWidgetEventHandler::handleMouseDown(mainFrame, event);
   else
     cancel();
 }
 
@@ skipping 104 matching lines @@
   // A WebPagePopupImpl instance usually has two references.
   //  - One owned by the instance itself. It represents the visible widget.
   //  - One owned by a WebViewImpl. It's released when the WebViewImpl ask the
   //    WebPagePopupImpl to close.
   // We need them because the closing operation is asynchronous and the widget
   // can be closed while the WebViewImpl is unaware of it.
   return adoptRef(new WebPagePopupImpl(client)).leakRef();
 }
 
 }  // namespace blink