Move out DidStartProvisionalLoad from WebContentsImpl into Navigator.

content/browser/renderer_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 <queue>
 
 #include "base/stl_util.h"
 #include "content/browser/renderer_host/render_frame_host_impl.h"
 
 namespace content {
 
 const int64 FrameTreeNode::kInvalidFrameId = -1;
 
-FrameTreeNode::FrameTreeNode(int64 frame_id, const std::string& name,
+FrameTreeNode::FrameTreeNode(Navigator* navigator,
+                             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),
-    render_frame_host_(render_frame_host.release()) {
-}
+    : frame_id_(frame_id),
+      frame_name_(name),
+      navigator_(navigator),
+      owns_render_frame_host_(true),
+      render_frame_host_(render_frame_host.release()) {}
 
 FrameTreeNode::~FrameTreeNode() {
   if (owns_render_frame_host_)
     delete render_frame_host_;
 }
 
 void FrameTreeNode::AddChild(scoped_ptr<FrameTreeNode> child) {
   children_.push_back(child.release());
 }
 
@@ skipping 15 matching lines @@
 
   owns_render_frame_host_ = false;
   frame_id_ = kInvalidFrameId;
   current_url_ = GURL();
   children_.clear();
 
   render_frame_host_ = new_render_frame_host;
 }
 
 }  // namespace content