Store the UploadData identifier in NavigationEntryImpl.

chrome/browser/sessions/session_types.h

 // Copyright (c) 2011 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 CHROME_BROWSER_SESSIONS_SESSION_TYPES_H_
 #define CHROME_BROWSER_SESSIONS_SESSION_TYPES_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 87 matching lines @@
 
  private:
   friend class BaseSessionService;
 
   GURL virtual_url_;
   content::Referrer referrer_;
   string16 title_;
   std::string state_;
   content::PageTransition transition_;
   int type_mask_;
+  int64 post_id_;
 
   int index_;
 };
 
 // SessionTab ----------------------------------------------------------------
 
 // SessionTab corresponds to a NavigationController.
 struct SessionTab {
   SessionTab();
   ~SessionTab();
@@ skipping 79 matching lines @@
   std::vector<SessionTab*> tabs;
 
   // Is the window maximized, minimized, or normal?
   ui::WindowShowState show_state;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SessionWindow);
 };
 
 #endif  // CHROME_BROWSER_SESSIONS_SESSION_TYPES_H_