Use scroll-boundary-behavior to control overscroll-refresh/glow on android.

third_party/WebKit/public/web/WebWidgetClient.h

 /*
  * Copyright (C) 2009 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 114 matching lines @@
 
   // Called when a gesture event is handled.
   virtual void DidHandleGestureEvent(const WebGestureEvent& event,
                                      bool event_cancelled) {}
 
   // Called when overscrolled on main thread. All parameters are in
   // viewport-space.
   virtual void DidOverscroll(const WebFloatSize& overscroll_delta,
                              const WebFloatSize& accumulated_overscroll,
                              const WebFloatPoint& position_in_viewport,
-                             const WebFloatSize& velocity_in_viewport) {}
+                             const WebFloatSize& velocity_in_viewport,
+                             const WebScrollBoundaryBehavior& behavior) {}
 
   // Called to update if touch events should be sent.
   virtual void HasTouchEventHandlers(bool) {}
 
   // Called during WebWidget::HandleInputEvent for a TouchStart event to inform
   // the embedder of the touch actions that are permitted for this touch.
   virtual void SetTouchAction(WebTouchAction touch_action) {}
 
   // Request the browser to show virtual keyboard for current input type.
   virtual void ShowVirtualKeyboardOnElementFocus() {}
@@ skipping 33 matching lines @@
   virtual void StartDragging(WebReferrerPolicy,
                              const WebDragData&,
                              WebDragOperationsMask,
                              const WebImage& drag_image,
                              const WebPoint& drag_image_offset) {}
 };
 
 }  // namespace blink
 
 #endif