[DRAFT] Create RenderFrameHostManager.

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index c1fbc30751fa6b22f331fc66ac17e5ffbdd316de..18bafbb0d9e296ec53a67ecadbe3b13624ffb248 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -40,6 +40,8 @@ RenderFrameHostImpl::RenderFrameHostImpl(
       frame_tree_(frame_tree),
       routing_id_(routing_id),
       is_swapped_out_(is_swapped_out) {
+  LOG(INFO) << "NEW RenderFrameHostImpl: process " << GetProcess()->GetID() <<
+      ", route " << routing_id_;
   GetProcess()->AddRoute(routing_id_, this);
   g_routing_id_frame_map.Get().insert(std::make_pair(
       RenderFrameHostID(GetProcess()->GetID(), routing_id_),
@@ -83,12 +85,14 @@ void RenderFrameHostImpl::OnCreateChildFrame(int new_frame_routing_id,
                                              int64 parent_frame_id,
                                              int64 frame_id,
                                              const std::string& frame_name) {
-  frame_tree_->AddFrame(new_frame_routing_id, parent_frame_id, frame_id,
-                        frame_name);
+  frame_tree_->AddFrame(render_view_host(), new_frame_routing_id,
+                        parent_frame_id, frame_id, frame_name);
 }
 
 void RenderFrameHostImpl::OnDetach(int64 parent_frame_id, int64 frame_id) {
-  frame_tree_->RemoveFrame(parent_frame_id, frame_id);
+  frame_tree_->RemoveFrame(
+      render_view_host()->GetFrameTreeNodeID(parent_frame_id),
+      render_view_host()->GetFrameTreeNodeID(frame_id));
 }
 
 void RenderFrameHostImpl::OnDidStartProvisionalLoadForFrame(