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

content/browser/frame_host/frame_tree_node.cc

 // 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.
 
-#include "content/browser/renderer_host/frame_tree_node.h"
+#include "content/browser/frame_host/frame_tree_node.h"
 
 #include <queue>
 
 #include "base/stl_util.h"
-#include "content/browser/renderer_host/render_frame_host_impl.h"
+#include "content/browser/frame_host/render_frame_host_impl.h"
 
 namespace content {
 
 const int64 FrameTreeNode::kInvalidFrameId = -1;
 
 FrameTreeNode::FrameTreeNode(int64 frame_id, const std::string& name,
                              scoped_ptr<RenderFrameHostImpl> render_frame_host)
   : frame_id_(frame_id),
     frame_name_(name),
     owns_render_frame_host_(true),
@@ skipping 27 matching lines @@
 
   owns_render_frame_host_ = false;
   frame_id_ = kInvalidFrameId;
   current_url_ = GURL();
   children_.clear();
 
   render_frame_host_ = new_render_frame_host;
 }
 
 }  // namespace content