Prerendered pages are swapped in at browser::Navigate time.

content/browser/tab_contents/tab_contents.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_TAB_CONTENTS_TAB_CONTENTS_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 96 matching lines @@
 
   // Unsets the currently showing interstitial.
   void remove_interstitial_page() {
     render_manager_.remove_interstitial_page();
   }
 
   void set_opener_web_ui_type(content::WebUI::TypeID opener_web_ui_type) {
     opener_web_ui_type_ = opener_web_ui_type;
   }
 
+  void set_has_opener(bool has_opener) {
+    has_opener_ = has_opener;
+  }
+
   JavaBridgeDispatcherHostManager* java_bridge_dispatcher_host_manager() const {
     return java_bridge_dispatcher_host_manager_.get();
   }
 
   // Like GetController from WebContents, but returns the concrete object.
   NavigationControllerImpl& GetControllerImpl();
 
   // Expose the render manager for testing.
   RenderViewHostManager* GetRenderManagerForTesting();
 
@@ skipping 83 matching lines @@
   virtual void ViewSource() OVERRIDE;
   virtual void ViewFrameSource(const GURL& url,
                                const std::string& content_state) OVERRIDE;
   virtual int GetMinimumZoomPercent() const OVERRIDE;
   virtual int GetMaximumZoomPercent() const OVERRIDE;
   virtual gfx::Size GetPreferredSize() const OVERRIDE;
   virtual int GetContentRestrictions() const OVERRIDE;
   virtual content::WebUI::TypeID GetWebUITypeForCurrentState() OVERRIDE;
   virtual content::WebUI* GetWebUIForCurrentState() OVERRIDE;
   virtual bool GotResponseToLockMouseRequest(bool allowed) OVERRIDE;
+  virtual bool HasOpener() const OVERRIDE;
 
   // Implementation of PageNavigator.
   virtual content::WebContents* OpenURL(
       const content::OpenURLParams& params) OVERRIDE;
 
   // RenderViewHostDelegate ----------------------------------------------------
 
   virtual content::RenderViewHostDelegate::View* GetViewDelegate() OVERRIDE;
   virtual content::RenderViewHostDelegate::RendererManagement*
       GetRendererManagementDelegate() OVERRIDE;
@@ skipping 419 matching lines @@
   // The intrinsic size of the page.
   gfx::Size preferred_size_;
 
   // Content restrictions, used to disable print/copy etc based on content's
   // (full-page plugins for now only) permissions.
   int content_restrictions_;
 
   // Our view type. Default is VIEW_TYPE_TAB_CONTENTS.
   content::ViewType view_type_;
 
+  // Is there an opener associated with this?
+  bool has_opener_;
+
   DISALLOW_COPY_AND_ASSIGN(TabContents);
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_