Remove PlatformGestureEvent in favour of using WebGestureEvent

third_party/WebKit/Source/web/WebFrameWidgetImpl.cpp

Index: third_party/WebKit/Source/web/WebFrameWidgetImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebFrameWidgetImpl.cpp b/third_party/WebKit/Source/web/WebFrameWidgetImpl.cpp
index e5a1a5fe098acadcbd490dc622671244d3e380cd..5af07a91b653640ab9b9f630f5f0e3a63e67fb36 100644
--- a/third_party/WebKit/Source/web/WebFrameWidgetImpl.cpp
+++ b/third_party/WebKit/Source/web/WebFrameWidgetImpl.cpp
@@ -863,8 +863,8 @@ WebInputEventResult WebFrameWidgetImpl::handleGestureEvent(
       NOTREACHED();
   }
   LocalFrame* frame = m_localRoot->frame();
-  eventResult = frame->eventHandler().handleGestureEvent(
-      PlatformGestureEventBuilder(frame->view(), event));
+  WebGestureEvent scaledEvent = ScaleWebGestureEvent(frame->view(), event);
+  eventResult = frame->eventHandler().handleGestureEvent(scaledEvent);
   m_client->didHandleGestureEvent(event, eventCancelled);
   return eventResult;
 }