Remove WebContentsDelegate::SwappedOut

content/browser/frame_host/render_frame_host_delegate.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_RENDER_FRAME_HOST_DELEGATE_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_DELEGATE_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 46 matching lines @@
                                    const base::string16& message,
                                    int32_t line_no,
                                    const base::string16& source_id);
 
   // Informs the delegate whenever a RenderFrameHost is created.
   virtual void RenderFrameCreated(RenderFrameHost* render_frame_host) {}
 
   // Informs the delegate whenever a RenderFrameHost is deleted.
   virtual void RenderFrameDeleted(RenderFrameHost* render_frame_host) {}
 
-  // The RenderFrameHost has been swapped out.
-  virtual void SwappedOut(RenderFrameHost* render_frame_host) {}
-
   // A context menu should be shown, to be built using the context information
   // provided in the supplied params.
   virtual void ShowContextMenu(RenderFrameHost* render_frame_host,
                                const ContextMenuParams& params) {}
 
   // A JavaScript message, confirmation or prompt should be shown.
   virtual void RunJavaScriptMessage(RenderFrameHost* render_frame_host,
                                     const base::string16& message,
                                     const base::string16& default_prompt,
                                     const GURL& frame_url,
@@ skipping 107 matching lines @@
   virtual std::unique_ptr<WebUIImpl> CreateWebUIForRenderFrameHost(
       const GURL& url);
 
  protected:
   virtual ~RenderFrameHostDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_DELEGATE_H_