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

cc/trees/layer_tree_host.h

Index: cc/trees/layer_tree_host.h
diff --git a/cc/trees/layer_tree_host.h b/cc/trees/layer_tree_host.h
index 2b5f0acabde9c8da9f9d348c31738c5f93a25357..acb52f19a455845aa150c0559c5a406715a9df8f 100644
--- a/cc/trees/layer_tree_host.h
+++ b/cc/trees/layer_tree_host.h
@@ -60,6 +60,7 @@ class MutatorEvents;
 class MutatorHost;
 struct PendingPageScaleAnimation;
 class RenderingStatsInstrumentation;
+struct ScrollBoundaryBehavior;
 class TaskGraphRunner;
 class UIResourceManager;
 struct RenderingStats;
@@ -294,6 +295,8 @@ class CC_EXPORT LayerTreeHost
                                 float bottom_height,
                                 bool shrink);
   void SetBrowserControlsShownRatio(float ratio);
+  void SetScrollBoundaryBehavior(
+      const ScrollBoundaryBehavior& scroll_boundary_behavior);
 
   void SetPageScaleFactorAndLimits(float page_scale_factor,
                                    float min_page_scale_factor,
@@ -603,6 +606,7 @@ class CC_EXPORT LayerTreeHost
   float top_controls_height_ = 0.f;
   float top_controls_shown_ratio_ = 0.f;
   bool browser_controls_shrink_blink_size_ = false;
+  ScrollBoundaryBehavior scroll_boundary_behavior_;
 
   float bottom_controls_height_ = 0.f;