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

third_party/WebKit/Source/web/ChromeClientImpl.h

Index: third_party/WebKit/Source/web/ChromeClientImpl.h
diff --git a/third_party/WebKit/Source/web/ChromeClientImpl.h b/third_party/WebKit/Source/web/ChromeClientImpl.h
index 571a36ae486d6af9848045fd07e9d9bc687b6cd5..13c37f805336067003742d2cf40cb5df58b054cf 100644
--- a/third_party/WebKit/Source/web/ChromeClientImpl.h
+++ b/third_party/WebKit/Source/web/ChromeClientImpl.h
@@ -79,7 +79,8 @@ class WEB_EXPORT ChromeClientImpl final : public ChromeClient {
   void DidOverscroll(const FloatSize& overscroll_delta,
                      const FloatSize& accumulated_overscroll,
                      const FloatPoint& position_in_viewport,
-                     const FloatSize& velocity_in_viewport) override;
+                     const FloatSize& velocity_in_viewport,
+                     const WebScrollBoundaryBehavior&) override;
   void SetToolbarsVisible(bool) override;
   bool ToolbarsVisible() override;
   void SetStatusbarVisible(bool) override;
@@ -214,6 +215,7 @@ class WEB_EXPORT ChromeClientImpl final : public ChromeClient {
   void ShowUnhandledTapUIIfNeeded(IntPoint, Node*, bool) override;
   void OnMouseDown(Node&) override;
   void DidUpdateBrowserControls() const override;
+  void SetScrollBoundaryBehavior(WebScrollBoundaryBehavior) const override;
 
   CompositorWorkerProxyClient* CreateCompositorWorkerProxyClient(
       LocalFrame*) override;