Remove unused code from RenderFrameProxyHost.

content/browser/frame_host/render_frame_proxy_host.h

 // Copyright 2014 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_RENDER_FRAME_PROXY_HOST_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_PROXY_HOST_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
@@ skipping 78 matching lines @@
   void SetChildRWHView(RenderWidgetHostView* view);
 
   // TODO(nasko): The following methods should be removed once we don't have a
   // swapped out state on RenderFrameHosts. See https://crbug.com/357747.
   RenderFrameHostImpl* render_frame_host() {
     return render_frame_host_.get();
   }
   RenderViewHostImpl* GetRenderViewHost();
   RenderWidgetHostView* GetRenderWidgetHostView();
 
-  void TakeFrameHostOwnership(
-      scoped_ptr<RenderFrameHostImpl> render_frame_host);
-  scoped_ptr<RenderFrameHostImpl> PassFrameHostOwnership();
-
   // IPC::Sender
   bool Send(IPC::Message* msg) override;
 
   // IPC::Listener
   bool OnMessageReceived(const IPC::Message& msg) override;
 
   CrossProcessFrameConnector* cross_process_frame_connector() {
     return cross_process_frame_connector_.get();
   }
 
@@ skipping 55 matching lines @@
   // kept alive as long as any RenderFrameHosts or RenderFrameProxyHosts
   // are associated with it.
   RenderViewHostImpl* render_view_host_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameProxyHost);
 };
 
 }  // namespace
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_PROXY_HOST_H_