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

third_party/WebKit/public/platform/WebLayerTreeView.h

 /*
  * Copyright (C) 2011 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:
  *
  * 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
@@ skipping 14 matching lines @@
 
 #ifndef WebLayerTreeView_h
 #define WebLayerTreeView_h
 
 #include "WebBrowserControlsState.h"
 #include "WebColor.h"
 #include "WebCommon.h"
 #include "WebCompositorMutatorClient.h"
 #include "WebEventListenerProperties.h"
 #include "WebFloatPoint.h"
+#include "WebScrollBoundaryBehavior.h"
 #include "WebSize.h"
 #include "base/callback.h"
 #include "cc/surfaces/frame_sink_id.h"
 
 namespace cc {
 class AnimationHost;
 }
 
 namespace blink {
 
@@ skipping 61 matching lines @@
 
   // Update browser controls permitted and current states
   virtual void UpdateBrowserControlsState(WebBrowserControlsState constraints,
                                           WebBrowserControlsState current,
                                           bool animate) {}
 
   // Set browser controls height. If |shrinkViewport| is set to true, then Blink
   // shrunk the viewport clip layers by the browser controls height.
   virtual void SetBrowserControlsHeight(float height, bool shrink_viewport) {}
 
+  virtual void SetScrollBoundaryBehavior(WebScrollBoundaryBehavior) const {}

[dtapuska, 2017/05/23 17:13:40]

This is odd that this is a const method especially since it is "Set"

[sunyunjia, 2017/06/13 15:56:21]

Done.

+
   // Flow control and scheduling ---------------------------------------
 
   // Indicates that blink needs a BeginFrame, but that nothing might actually be
   // dirty.
   virtual void SetNeedsBeginFrame() {}
 
   // Relays the end of a fling animation.
   virtual void DidStopFlinging() {}
 
   // Run layout and paint of all pending document changes asynchronously.
@@ skipping 60 matching lines @@
   virtual void SetShowScrollBottleneckRects(bool) {}
 
   // ReportTimeCallback is a callback that should be fired when the
   // corresponding Swap completes (either with DidSwap or DidNotSwap).
   virtual void NotifySwapTime(ReportTimeCallback callback) {}
 };
 
 }  // namespace blink
 
 #endif  // WebLayerTreeView_h