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

third_party/WebKit/public/platform/WebLayerTreeView.h

Index: third_party/WebKit/public/platform/WebLayerTreeView.h
diff --git a/third_party/WebKit/public/platform/WebLayerTreeView.h b/third_party/WebKit/public/platform/WebLayerTreeView.h
index 19e128c17a1b67630898daa304a1f389d136dd32..1970a1cd62396a99b2915b81106c4aab0b37d7b7 100644
--- a/third_party/WebKit/public/platform/WebLayerTreeView.h
+++ b/third_party/WebKit/public/platform/WebLayerTreeView.h
@@ -32,6 +32,7 @@
 #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"
@@ -113,6 +114,8 @@ class WebLayerTreeView {
   // 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