Add local file system directory listings support for content shell.

content/shell/shell_aura.cc

 // 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.
 
 #include "content/shell/shell.h"
 
 #include "base/utf_string_conversions.h"
 #include "ui/aura/desktop/desktop_screen.h"
 #include "ui/aura/desktop/desktop_stacking_client.h"
 #include "ui/aura/display_manager.h"
@@ skipping 322 matching lines @@
 void Shell::PlatformInitialize() {
 #if defined(OS_CHROMEOS)
   chromeos::DBusThreadManager::Initialize();
 #endif
   aura::Env::GetInstance()->SetDisplayManager(new aura::SingleDisplayManager);
   stacking_client_ = new aura::DesktopStackingClient();
   gfx::Screen::SetInstance(aura::CreateDesktopScreen());
   views_delegate_ = new ShellViewsDelegateAura();
 }
 
-base::StringPiece Shell::PlatformResourceProvider(int key) {
-  return base::StringPiece();
-}
-
 void Shell::PlatformExit() {
 #if defined(OS_CHROMEOS)
   chromeos::DBusThreadManager::Shutdown();
 #endif
   if (stacking_client_)
     delete stacking_client_;
   if (views_delegate_)
     delete views_delegate_;
   aura::Env::DeleteInstance();
 }
@@ skipping 47 matching lines @@
 }
 
 void Shell::PlatformSetTitle(const string16& title) {
   ShellWindowDelegateView* delegate_view =
     static_cast<ShellWindowDelegateView*>(window_widget_->widget_delegate());
   delegate_view->SetWindowTitle(title);
   window_widget_->UpdateWindowTitle();
 }
 
 }  // namespace content