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

third_party/WebKit/Source/core/page/scrolling/OverscrollController.h

Index: third_party/WebKit/Source/core/page/scrolling/OverscrollController.h
diff --git a/third_party/WebKit/Source/core/page/scrolling/OverscrollController.h b/third_party/WebKit/Source/core/page/scrolling/OverscrollController.h
index 88ed8c80d95d62ac360718219bbe4291020cbe78..48a7ece73fa39314c6bb24052f7b8a125822c3bb 100644
--- a/third_party/WebKit/Source/core/page/scrolling/OverscrollController.h
+++ b/third_party/WebKit/Source/core/page/scrolling/OverscrollController.h
@@ -7,6 +7,7 @@
 
 #include "platform/geometry/FloatSize.h"
 #include "platform/heap/Handle.h"
+#include "public/platform/WebScrollBoundaryBehavior.h"
 
 namespace blink {
 
@@ -38,6 +39,8 @@ class OverscrollController : public GarbageCollected<OverscrollController> {
                         const FloatPoint& position_in_root_frame,
                         const FloatSize& velocity_in_root_frame);
 
+  void SetScrollBoundaryBehavior(WebScrollBoundaryBehavior);
+
   DECLARE_TRACE();
 
  private:
@@ -47,6 +50,8 @@ class OverscrollController : public GarbageCollected<OverscrollController> {
   WeakMember<ChromeClient> chrome_client_;
 
   FloatSize accumulated_root_overscroll_;
+
+  WebScrollBoundaryBehavior scroll_boundary_behavior_;
 };
 
 }  // namespace blink