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 b6f678cb18aef6f18182924d35be893ca9073f74..8eacf5d62f6e234dd6e79c00c892769d57f366f7 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;
   bool ShouldReportDetailedMessageForSource(LocalFrame&,
                                             const String&) override;
   void AddMessageToConsole(LocalFrame*,
@@ -206,6 +207,7 @@ class WEB_EXPORT ChromeClientImpl final : public ChromeClient {
   void ShowUnhandledTapUIIfNeeded(IntPoint, Node*, bool) override;
   void OnMouseDown(Node&) override;
   void DidUpdateBrowserControls() const override;
+  void SetScrollBoundaryBehavior(const WebScrollBoundaryBehavior&) override;
 
   CompositorWorkerProxyClient* CreateCompositorWorkerProxyClient(
       LocalFrame*) override;