Add local file system directory listings support for content shell.

content/shell/shell.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_SHELL_SHELL_H_
 #define CONTENT_SHELL_SHELL_H_
 
 
 #include <vector>
 
@@ skipping 45 matching lines @@
   void GoBackOrForward(int offset);
   void Reload();
   void Stop();
   void UpdateNavigationControls();
   void Close();
   void ShowDevTools();
 
   // Do one time initialization at application startup.
   static void PlatformInitialize();
 
-  // This is called indirectly by the modules that need access resources.
-  static base::StringPiece PlatformResourceProvider(int key);
-
   static Shell* CreateNewWindow(BrowserContext* browser_context,
                                 const GURL& url,
                                 SiteInstance* site_instance,
                                 int routing_id,
                                 WebContents* base_web_contents);
 
   // Returns the Shell object corresponding to the given RenderViewHost.
   static Shell* FromRenderViewHost(RenderViewHost* rvh);
 
   // Returns the currently open windows.
@@ skipping 152 matching lines @@
   static base::Callback<void(Shell*)> shell_created_callback_;
 
   // True if the destructur of Shell should post a quit closure on the current
   // message loop if the destructed Shell object was the last one.
   static bool quit_message_loop_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_SHELL_H_