Revert of OOPIF: Specify previous sibling frames when creating new RenderFrames.

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 1935a6684bbdf1ad80394b9478f17bddc2379c1b..ee61fc7914ac8e404edb43536bc67e155d4331f0 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -4226,15 +4226,13 @@
 bool WebContentsImpl::CreateRenderFrameForRenderManager(
     RenderFrameHost* render_frame_host,
     int parent_routing_id,
-    int previous_sibling_routing_id,
     int proxy_routing_id) {
   TRACE_EVENT0("browser,navigation",
                "WebContentsImpl::CreateRenderFrameForRenderManager");
 
   RenderFrameHostImpl* rfh =
       static_cast<RenderFrameHostImpl*>(render_frame_host);
-  if (!rfh->CreateRenderFrame(parent_routing_id, previous_sibling_routing_id,
-                              proxy_routing_id))
+  if (!rfh->CreateRenderFrame(parent_routing_id, proxy_routing_id))
     return false;
 
   // TODO(nasko): When RenderWidgetHost is owned by RenderFrameHost, the passed