Overscroll and Elasticity for views::ScrollView

cc/trees/layer_tree_host_in_process.cc

Index: cc/trees/layer_tree_host_in_process.cc
diff --git a/cc/trees/layer_tree_host_in_process.cc b/cc/trees/layer_tree_host_in_process.cc
index 3194ca85d50e3fc3256b19632c8f7e1c33a37938..f75639f52b3fb5360e9700c94fc55ce8eab179e2 100644
--- a/cc/trees/layer_tree_host_in_process.cc
+++ b/cc/trees/layer_tree_host_in_process.cc
@@ -840,7 +840,8 @@ void LayerTreeHostInProcess::ApplyViewportDeltas(ScrollAndScaleSet* info) {
     layer_tree_->inner_viewport_scroll_layer()->SetScrollOffsetFromImplSide(
         gfx::ScrollOffsetWithDelta(
             layer_tree_->inner_viewport_scroll_layer()->scroll_offset(),
-            inner_viewport_scroll_delta));
+            inner_viewport_scroll_delta),
+        nullptr);
   }
 
   ApplyPageScaleDeltaFromImplSide(info->page_scale_delta);
@@ -869,8 +870,10 @@ void LayerTreeHostInProcess::ApplyScrollAndScale(ScrollAndScaleSet* info) {
       Layer* layer = layer_tree_->LayerById(info->scrolls[i].layer_id);
       if (!layer)
         continue;
-      layer->SetScrollOffsetFromImplSide(gfx::ScrollOffsetWithDelta(
-          layer->scroll_offset(), info->scrolls[i].scroll_delta));
+      layer->SetScrollOffsetFromImplSide(
+          gfx::ScrollOffsetWithDelta(layer->scroll_offset(),
+                                     info->scrolls[i].scroll_delta),
+          &info->elastic_overscroll_delta);
       SetNeedsUpdateLayers();
     }
   }