Move navigation and frame tree classes to a new frame_host/ directory.

content/browser/renderer_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_RENDERER_HOST_RENDER_FRAME_HOST_IMPL_H_
-#define CONTENT_BROWSER_RENDERER_HOST_RENDER_FRAME_HOST_IMPL_H_
-
-#include <string>
-
-#include "base/compiler_specific.h"
-#include "content/public/browser/render_frame_host.h"
-
-class GURL;
-
-namespace content {
-
-class FrameTree;
-class RenderProcessHost;
-class RenderViewHostImpl;
-
-class CONTENT_EXPORT RenderFrameHostImpl : public RenderFrameHost {
- public:
-  static RenderFrameHostImpl* FromID(int process_id, int routing_id);
-
-  // TODO(nasko): Remove dependency on RenderViewHost here. RenderProcessHost
-  // should be the abstraction needed here, but we need RenderViewHost to pass
-  // into WebContentsObserver::FrameDetached for now.
-  RenderFrameHostImpl(RenderViewHostImpl* render_view_host,
-                      FrameTree* frame_tree,
-                      int routing_id,
-                      bool is_swapped_out);
-  virtual ~RenderFrameHostImpl();
-
-  // IPC::Sender
-  virtual bool Send(IPC::Message* msg) OVERRIDE;
-
-  // IPC::Listener
-  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
-
-  void Init();
-  RenderProcessHost* GetProcess() const;
-  int routing_id() const { return routing_id_; }
-  void OnCreateChildFrame(int new_frame_routing_id,
-                          int64 parent_frame_id,
-                          int64 frame_id,
-                          const std::string& frame_name);
-
-  RenderViewHostImpl* render_view_host() {
-    return render_view_host_;
-  }
-
- private:
-  // IPC Message handlers.
-  void OnDetach(int64 parent_frame_id, int64 frame_id);
-  void OnDidStartProvisionalLoadForFrame(int64 frame_id,
-                                         int64 parent_frame_id,
-                                         bool main_frame,
-                                         const GURL& url);
-
-  bool is_swapped_out() { return is_swapped_out_; }
-
-  // TODO(nasko): This should be removed and replaced by RenderProcessHost.
-  RenderViewHostImpl* render_view_host_;  // Not owned.
-
-  // Reference to the whole frame tree that this RenderFrameHost belongs too.
-  // Allows this RenderFrameHost to add and remove nodes in response to
-  // messages from the renderer requesting DOM manipulation.
-  FrameTree* frame_tree_;
-  int routing_id_;
-  bool is_swapped_out_;
-
-  DISALLOW_COPY_AND_ASSIGN(RenderFrameHostImpl);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_FRAME_HOST_IMPL_H_