Force swap buffers when re-creating the buffers

cc/trees/layer_tree_host_impl.cc

Index: cc/trees/layer_tree_host_impl.cc
diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc
index fa3ba0e599df1d93f2bbd0fdf3c7ce6f33c2a9cd..a0176f25ca6b7b15d58fc3167e4a2767c0678bcc 100644
--- a/cc/trees/layer_tree_host_impl.cc
+++ b/cc/trees/layer_tree_host_impl.cc
@@ -1444,6 +1444,10 @@ void LayerTreeHostImpl::OnDraw() {
   client_->OnDrawForOutputSurface();
 }
 
+void LayerTreeHostImpl::ForceSwap() {
+  SetNeedsCommit();
+}
+
 void LayerTreeHostImpl::OnCanDrawStateChangedForTree() {
   client_->OnCanDrawStateChanged(CanDraw());
 }