Send a message through the ozone channel to recreate buffers

cc/trees/thread_proxy.cc

Index: cc/trees/thread_proxy.cc
diff --git a/cc/trees/thread_proxy.cc b/cc/trees/thread_proxy.cc
index beaf92f50b474d3491752d578936d817ddb380a6..1ebc6baead33966a81a3845eda765b4b3651a96f 100644
--- a/cc/trees/thread_proxy.cc
+++ b/cc/trees/thread_proxy.cc
@@ -1167,6 +1167,10 @@ void ThreadProxy::SetAuthoritativeVSyncInterval(
   NOTREACHED() << "Only used by SingleThreadProxy";
 }
 
+void ThreadProxy::RecreateOutputSurfaceBuffers() {
+  impl().layer_tree_host_impl->output_surface()->RecreateBuffers();
+}
+
 void ThreadProxy::ReadyToFinalizeTextureUpdates() {
   DCHECK(IsImplThread());
   impl().scheduler->NotifyReadyToCommit();