Prevent bindings escalation on an existing NavigationEntry (attempt 3).

content/browser/web_contents/render_view_host_manager.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_BROWSER_WEB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 123 matching lines @@
 
   // Returns the current committed Web UI or NULL if none applies.
   WebUIImpl* web_ui() const { return web_ui_.get(); }
 
   // Returns the Web UI for the pending navigation, or NULL of none applies.
   WebUIImpl* pending_web_ui() const {
     return pending_web_ui_.get() ? pending_web_ui_.get() :
                                    pending_and_current_web_ui_.get();
   }
 
+  // Sets the pending Web UI for the pending navigation, ensuring that the
+  // bindings are appropriate for the given NavigationEntry.
+  void SetPendingWebUI(const NavigationEntryImpl& entry);
+
   // Called when we want to instruct the renderer to navigate to the given
   // navigation entry. It may create a new RenderViewHost or re-use an existing
   // one. The RenderViewHost to navigate will be returned. Returns NULL if one
   // could not be created.
   RenderViewHostImpl* Navigate(const NavigationEntryImpl& entry);
 
   // Instructs the various live views to stop. Called when the user directed the
   // page to stop loading.
   void Stop();
 
@@ skipping 169 matching lines @@
   InterstitialPageImpl* interstitial_page_;
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostManager);
 };
 
 }  // namespace content      
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_