Fix: Prerendering was confusing SessionService to not save sessionStorage.

chrome/browser/sessions/session_service.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 CHROME_BROWSER_SESSIONS_SESSION_SERVICE_H_
 #define CHROME_BROWSER_SESSIONS_SESSION_SERVICE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 10 matching lines @@
 #include "ui/base/ui_base_types.h"
 
 class Profile;
 class SessionCommand;
 class TabContents;
 struct SessionTab;
 struct SessionWindow;
 
 namespace content {
 class NavigationEntry;
+class WebContents;
 }
 
 // SessionService ------------------------------------------------------------
 
 // SessionService is responsible for maintaining the state of open windows
 // and tabs so that they can be restored at a later date. The state of the
 // currently open browsers is referred to as the current session.
 //
 // SessionService supports restoring from the last session. The last session
 // typically corresponds to the last run of the browser, but not always. For
@@ skipping 75 matching lines @@
   void TabClosed(const SessionID& window_id,
                  const SessionID& tab_id,
                  bool closed_by_user_gesture);
 
   // Notification the window is about to close.
   void WindowClosing(const SessionID& window_id);
 
   // Notification a window has finished closing.
   void WindowClosed(const SessionID& window_id);
 
+  // Called when a tab is inserted.
+  void TabInserted(content::WebContents* contents);
+
+  // Called when a tab is closing.
+  void TabClosing(content::WebContents* contents);
+
   // Sets the type of window. In order for the contents of a window to be
   // tracked SetWindowType must be invoked with a type we track
   // (should_track_changes_for_browser_type returns true).
   void SetWindowType(const SessionID& window_id,
                      Browser::Type type,
                      AppType app_type);
 
   // Sets the application name of the specified window.
   void SetWindowAppName(const SessionID& window_id,
                         const std::string& app_name);
@@ skipping 335 matching lines @@
   const base::TimeDelta save_delay_in_hrs_;
 
   // For browser_tests, since we want to simulate the browser shutting down
   // without quitting.
   bool force_browser_not_alive_with_no_windows_;
 
   DISALLOW_COPY_AND_ASSIGN(SessionService);
 };
 
 #endif  // CHROME_BROWSER_SESSIONS_SESSION_SERVICE_H_