[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 135bfd6de0b96121bb8ddb321a768e14ee953a27..74ab0274cfb050fc42ac54e4718625e8fb4a569d 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -54,6 +54,9 @@ RenderFrameHostImpl::RenderFrameHostImpl(
       frame_tree_node_(frame_tree_node),
       routing_id_(routing_id),
       is_swapped_out_(is_swapped_out) {
+  LOG(INFO) << "NEW RenderFrameHostImpl: process " << GetProcess()->GetID() <<
+      ", route " << routing_id_ << ", SID " <<
+      render_view_host_->GetSiteInstance()->GetId();
   frame_tree_->RegisterRenderFrameHost(this);
   GetProcess()->AddRoute(routing_id_, this);
   g_routing_id_frame_map.Get().insert(std::make_pair(
@@ -62,6 +65,10 @@ RenderFrameHostImpl::RenderFrameHostImpl(
 }
 
 RenderFrameHostImpl::~RenderFrameHostImpl() {
+  LOG(INFO) << "DELETE RenderFrameHostImpl: process " <<
+      GetProcess()->GetID() << ", route " << routing_id_ << ", SID " <<
+      render_view_host_->GetSiteInstance()->GetId();
+
   GetProcess()->RemoveRoute(routing_id_);
   g_routing_id_frame_map.Get().erase(
       RenderFrameHostID(GetProcess()->GetID(), routing_id_));
@@ -97,6 +104,7 @@ bool RenderFrameHostImpl::OnMessageReceived(const IPC::Message &msg) {
     IPC_MESSAGE_HANDLER(FrameHostMsg_Detach, OnDetach)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DidStartProvisionalLoadForFrame,
                         OnDidStartProvisionalLoadForFrame)
+    IPC_MESSAGE_HANDLER(FrameHostMsg_SwapOut_ACK, OnSwapOutACK)
   IPC_END_MESSAGE_MAP_EX()
 
   if (!msg_is_ok) {
@@ -118,13 +126,16 @@ void RenderFrameHostImpl::OnCreateChildFrame(int new_frame_routing_id,
                                              int64 frame_id,
                                              const std::string& frame_name) {
   RenderFrameHostImpl* new_frame = frame_tree_->AddFrame(
-      new_frame_routing_id, parent_frame_id, frame_id, frame_name);
+      render_view_host(), new_frame_routing_id, parent_frame_id, frame_id,
+      frame_name);
   if (delegate_)
     delegate_->RenderFrameCreated(new_frame);
 }
 
 void RenderFrameHostImpl::OnDetach(int64 parent_frame_id, int64 frame_id) {
-  frame_tree_->RemoveFrame(this, parent_frame_id, frame_id);
+  frame_tree_->RemoveFrame(
+      this, render_view_host()->GetFrameTreeNodeID(parent_frame_id),
+      render_view_host()->GetFrameTreeNodeID(frame_id), frame_id);
 }
 
 void RenderFrameHostImpl::OnDidStartProvisionalLoadForFrame(
@@ -136,4 +147,22 @@ void RenderFrameHostImpl::OnDidStartProvisionalLoadForFrame(
       this, frame_id, parent_frame_id, is_main_frame, url);
 }
 
+void RenderFrameHostImpl::SwapOut() {
+  if (render_view_host_->IsRenderViewLive()) {
+    Send(new FrameMsg_SwapOut(routing_id()));
+  } else {
+    // Our RenderViewHost doesn't have a live renderer, so just skip the unload
+    // event.
+    OnSwappedOut(true);
+  }
+}
+
+void RenderFrameHostImpl::OnSwapOutACK() {
+  OnSwappedOut(false);
+}
+
+void RenderFrameHostImpl::OnSwappedOut(bool timed_out) {
+  frame_tree_node_->render_manager()->SwappedOutFrame(this);
+}
+
 }  // namespace content