re-use WebUIs

content/public/browser/web_ui_controller.h

 // Copyright (c) 2012 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_PUBLIC_BROWSER_WEB_UI_CONTROLLER_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_UI_CONTROLLER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/string16.h"
@@ skipping 24 matching lines @@
                                           const base::ListValue& args);
 
   // Called when RenderView is first created. This is *not* called for every
   // page load because in some cases a RenderView will be reused. In those
   // cases, RenderViewReused will be called instead.
   virtual void RenderViewCreated(RenderViewHost* render_view_host) {}
 
   // Called when a RenderView is reused to display a page.
   virtual void RenderViewReused(RenderViewHost* render_view_host) {}
 
-  // Called when this becomes the active WebUI instance for a re-used
-  // RenderView; this is the point at which this WebUI instance will receive
-  // DOM messages instead of the previous WebUI instance.
-  //
-  // If a WebUI instance has code that is usually triggered from a JavaScript
-  // onload handler, this should be overridden to check to see if the web page's
-  // DOM is still intact (e.g., due to a back/forward navigation that remains
-  // within the same page), and if so trigger that code manually since onload
-  // won't be run in that case.
-  virtual void DidBecomeActiveForReusedRenderView() {}
-
   WebUI* web_ui() const { return web_ui_; }
 
  private:
   WebUI* web_ui_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_UI_CONTROLLER_H_