Move out DidStartProvisionalLoad from WebContentsImpl into Navigator.

content/browser/frame_host/frame_tree_node.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_FRAME_TREE_NODE_H_
 #define CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_NODE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
+#include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/frame_host/render_view_host_manager.h"
 #include "content/common/content_export.h"
 #include "url/gurl.h"
 
 namespace content {
 
 class Navigator;
 class RenderFrameHostImpl;
 
 // When a page contains iframes, its renderer process maintains a tree structure
 // of those frames. We are mirroring this tree in the browser process. This
 // class represents a node in this tree and is a wrapper for all objects that
 // are frame-specific (as opposed to page-specific).
 class CONTENT_EXPORT FrameTreeNode {
  public:
   static const int64 kInvalidFrameId;
 
   FrameTreeNode(Navigator* navigator,
                 RenderViewHostDelegate* render_view_delegate,
                 RenderWidgetHostDelegate* render_widget_delegate,
                 RenderViewHostManager::Delegate* manager_delegate,
                 int64 frame_id,
-                const std::string& name,
-                scoped_ptr<RenderFrameHostImpl> render_frame_host);
+                const std::string& name);
 
   ~FrameTreeNode();
 
   void AddChild(scoped_ptr<FrameTreeNode> child);
   void RemoveChild(FrameTreeNode* child);
 
+  // TODO(nasko): This method should be removed once there is a
+  // RenderFrameHostManager for each node in the frame tree.
+  void set_render_frame_host(
+      RenderFrameHostImpl* render_frame_host,
+      bool owns_render_frame_host) {
+    render_frame_host_ = render_frame_host;
+    owns_render_frame_host_ = owns_render_frame_host;
+  }
+
   // Transitional API allowing the RenderFrameHost of a FrameTreeNode
   // representing the main frame to be provided by someone else. After
   // this is called, the FrameTreeNode no longer owns its RenderFrameHost.
   //
   // This should only be used for the main frame (aka root) in a frame tree.
   //
   // TODO(ajwong): Remove this method once the main frame RenderFrameHostImpl is
   // no longer owned by the RenderViewHostImpl.
   void ResetForMainFrame(RenderFrameHostImpl* new_render_frame_host);
 
@@ skipping 97 matching lines @@
   // TODO(creis): Remove this when we can store subframe URLs in the
   // NavigationController.
   GURL current_url_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameTreeNode);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_NODE_H_