add ash_resources.grd and necessary changes to use images in ash/resources

ash/shell.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 "ash/shell.h"
 
 #include <algorithm>
 #include <string>
 
 #include "ash/accelerators/focus_manager_factory.h"
@@ skipping 49 matching lines @@
 #include "ash/wm/video_detector.h"
 #include "ash/wm/visibility_controller.h"
 #include "ash/wm/window_cycle_controller.h"
 #include "ash/wm/window_modality_controller.h"
 #include "ash/wm/window_properties.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm/workspace/workspace_layout_manager.h"
 #include "ash/wm/workspace_controller.h"
 #include "base/bind.h"
 #include "base/command_line.h"
-#include "grit/ui_resources.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/client/user_action_client.h"
 #include "ui/aura/display_manager.h"
 #include "ui/aura/env.h"
 #include "ui/aura/focus_manager.h"
 #include "ui/aura/layout_manager.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/shared/compound_event_filter.h"
 #include "ui/aura/shared/input_method_event_filter.h"
 #include "ui/aura/ui_controls_aura.h"
@@ skipping 680 matching lines @@
 }
 
 void Shell::ShowCursor(bool visible) {
   RootWindowList root_windows = GetAllRootWindows();
   for (RootWindowList::iterator iter = root_windows.begin();
        iter != root_windows.end(); ++iter)
     (*iter)->ShowCursor(visible);
 }
 
 }  // namespace ash