Overscroll and Elasticity for views::ScrollView

ui/compositor/layer.cc

Index: ui/compositor/layer.cc
diff --git a/ui/compositor/layer.cc b/ui/compositor/layer.cc
index 43c770ba79670ae0d859fee477fad486c10d198b..f2fc139ddf7ecd1090ce2c3d627cae67f5a5f69c 100644
--- a/ui/compositor/layer.cc
+++ b/ui/compositor/layer.cc
@@ -832,7 +832,8 @@ void Layer::OnDelegatedFrameDamage(const gfx::Rect& damage_rect_in_dip) {
 
 void Layer::SetScrollable(Layer* parent_clip_layer,
                           const base::Closure& on_scroll) {
-  cc_layer_->SetScrollClipLayerId(parent_clip_layer->cc_layer_->id());
+  cc_layer_->SetScrollClipAndCanOverscroll(parent_clip_layer->cc_layer_->id(),
+                                           true /* can_overscroll */);
   cc_layer_->set_did_scroll_callback(on_scroll);
   cc_layer_->SetUserScrollable(true, true);
 }