Start using RenderFrameProxyHost objects.

content/browser/frame_host/render_frame_host_impl.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 55 matching lines @@
       const base::string16& javascript,
       const JavaScriptResultCallback& callback) OVERRIDE;
   virtual RenderViewHost* GetRenderViewHost() OVERRIDE;
 
   // IPC::Sender
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // IPC::Listener
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
 
+  bool CreateRenderFrame(int parent_routing_id);

[ncarter (slow), 2014/06/25 01:07:56]

A comment for this function that helps clarify exactly what |parent_routing_id|
means would be useful (e.g., how is it different from
GetParent()->GetRoutingID() ?)

+  bool IsRenderFrameLive();
   void Init();
   int routing_id() const { return routing_id_; }
   void OnCreateChildFrame(int new_routing_id,
                           const std::string& frame_name);
 
   RenderViewHostImpl* render_view_host() { return render_view_host_; }
   RenderFrameHostDelegate* delegate() { return delegate_; }
   FrameTreeNode* frame_tree_node() { return frame_tree_node_; }
   // TODO(nasko): The RenderWidgetHost will be owned by RenderFrameHost in
   // the future, so update this accessor to return the right pointer.
   RenderWidgetHostImpl* GetRenderWidgetHost();
+  bool has_received_swap_out_ack() { return has_received_swap_out_ack_; }
 
   // This function is called when this is a swapped out RenderFrameHost that
   // lives in the same process as the parent frame. The
   // |cross_process_frame_connector| allows the non-swapped-out
   // RenderFrameHost for a frame to communicate with the parent process
   // so that it may composite drawing data.
   //
   // Ownership is not transfered.
   void set_cross_process_frame_connector(
       CrossProcessFrameConnector* cross_process_frame_connector) {
@@ skipping 194 matching lines @@
 
   // The mapping of pending JavaScript calls created by
   // ExecuteJavaScript and their corresponding callbacks.
   std::map<int, JavaScriptResultCallback> javascript_callbacks_;
 
   // Map from notification_id to a callback to cancel them.
   std::map<int, base::Closure> cancel_notification_callbacks_;
 
   int routing_id_;
   bool is_swapped_out_;
+  bool renderer_initialized_;
+  bool has_received_swap_out_ack_;
 
   // When the last BeforeUnload message was sent.
   base::TimeTicks send_before_unload_start_time_;
 
   base::WeakPtrFactory<RenderFrameHostImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_