Prepare RenderFrameProxy for mirroring the frame tree

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 44bacadc7560bdecf8bc389ba02da93ba067e479..3c631443023a02ada791239ecca22a6634d341a3 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -766,9 +766,8 @@ void RenderViewImpl::Initialize(RenderViewImplParams* params) {
 
   if (params->proxy_routing_id != MSG_ROUTING_NONE) {
     CHECK(params->swapped_out);
-    RenderFrameProxy* proxy =
-        RenderFrameProxy::CreateFrameProxy(params->proxy_routing_id,
-                                           params->main_frame_routing_id);
+    RenderFrameProxy* proxy = RenderFrameProxy::CreateProxyToReplaceFrame(
+        main_render_frame_.get(), params->proxy_routing_id);
     main_render_frame_->set_render_frame_proxy(proxy);
   }