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 76022bc7206811ba711dba3f050af175d971e3ff..0e7f24511eca19676232ce9e5aa6c542244f0695 100644
--- a/third_party/WebKit/public/platform/WebLayerTreeView.h
+++ b/third_party/WebKit/public/platform/WebLayerTreeView.h
@@ -33,6 +33,7 @@
 #include "WebEventListenerProperties.h"
 #include "WebFloatPoint.h"
 #include "WebImageLayer.h"
+#include "WebScrollBoundaryBehavior.h"
 #include "WebSize.h"
 #include "base/callback.h"
 #include "components/viz/common/surfaces/frame_sink_id.h"
@@ -122,6 +123,10 @@ class WebLayerTreeView {
                                         float bottom_height,
                                         bool shrink_viewport) {}
 
+  // Set the browser's behavior when overscroll happens, e.g. whether to glow
+  // or navigate.
+  virtual void SetScrollBoundaryBehavior(const WebScrollBoundaryBehavior&) {}
+
   // Flow control and scheduling ---------------------------------------
 
   // Indicates that blink needs a BeginFrame, but that nothing might actually be