Make the renderer-side prerendering code use RenderFrames instead of RenderViews.

content/browser/frame_host/frame_tree.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_H_
 #define CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 56 matching lines @@
   // after a swap. These two functions are used to set the root node's frame
   // id.
   //
   // TODO(ajwong): Remove these once RenderFrameHost's routing id replaces
   // frame_id.
   bool IsFirstNavigationAfterSwap() const;
   void OnFirstNavigationAfterSwap(int main_frame_id);
 
   // Frame tree manipulation routines.
   // TODO(creis): These should take in RenderFrameHost routing IDs.
-  void AddFrame(int render_frame_host_id,
-                int64 parent_frame_tree_node_id,
-                int64 frame_id,
-                const std::string& frame_name);
+  RenderFrameHostImpl* AddFrame(int render_frame_host_id,
+                                int64 parent_frame_tree_node_id,
+                                int64 frame_id,
+                                const std::string& frame_name);
   void RemoveFrame(RenderFrameHostImpl* render_frame_host,
                    int64 parent_frame_id,
                    int64 frame_id);
   void SetFrameUrl(int64 frame_id, const GURL& url);
 
   // Resets the FrameTree and changes RenderFrameHost for the main frame.
   // This destroys most of the frame tree but retains the root node so that
   // navigation state may be kept on it between process swaps. Used to
   // support bookkeeping for top-level navigations.
   //
@@ skipping 38 matching lines @@
   scoped_ptr<FrameTreeNode> root_;
 
   base::Callback<void(RenderViewHostImpl*, int64)> on_frame_removed_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameTree);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_H_