Fix crash when reloading packaged app.

apps/shell_window.h

 // Copyright 2013 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 APPS_SHELL_WINDOW_H_
 #define APPS_SHELL_WINDOW_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/extensions/extension_icon_image.h"
@@ skipping 163 matching lines @@
   ShellWindow(Profile* profile,
               Delegate* delegate,
               const extensions::Extension* extension);
 
   // Initializes the render interface, web contents, and native window.
   // |shell_window_contents| will become owned by ShellWindow.
   void Init(const GURL& url,
             ShellWindowContents* shell_window_contents,
             const CreateParams& params);
 
-
   const std::string& window_key() const { return window_key_; }
   const SessionID& session_id() const { return session_id_; }
   const extensions::Extension* extension() const { return extension_; }
   const std::string& extension_id() const { return extension_id_; }
   content::WebContents* web_contents() const;
   WindowType window_type() const { return window_type_; }
   bool window_type_is_panel() const {
     return (window_type_ == WINDOW_TYPE_PANEL ||
             window_type_ == WINDOW_TYPE_V1_PANEL);
   }
@@ skipping 97 matching lines @@
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // web_modal::WebContentsModalDialogManagerDelegate implementation.
   virtual void SetWebContentsBlocked(content::WebContents* web_contents,
                                      bool blocked) OVERRIDE;
   virtual bool IsWebContentsVisible(
       content::WebContents* web_contents) OVERRIDE;
 
+  // Remove the window from the ShellWindowRegistry and tell the native
+  // window to close. The native window won't be actually closed until
+  // OnNativeClose().
+  void Close();
+
   // Helper method to add a message to the renderer's DevTools console.
   void AddMessageToDevToolsConsole(content::ConsoleMessageLevel level,
                                    const std::string& message);
 
   // Saves the window geometry/position/screen bounds.
   void SaveWindowPosition();
 
   // Helper method to adjust the cached bounds so that we can make sure it can
   // be visible on the screen. See http://crbug.com/145752 .
   void AdjustBoundsToBeVisibleOnScreen(
@@ skipping 58 matching lines @@
   bool fullscreen_for_window_api_;
   // Fullscreen entered by HTML requestFullscreen.
   bool fullscreen_for_tab_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellWindow);
 };
 
 }  // namespace apps
 
 #endif  // APPS_SHELL_WINDOW_H_