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

ash/test/test_shell_delegate.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/test/test_shell_delegate.h"
 
 #include <algorithm>
 
 #include "ash/caps_lock_delegate_stub.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/test/test_launcher_delegate.h"
 #include "content/public/test/test_browser_context.h"
-#include "grit/ui_resources.h"
 #include "ui/aura/window.h"
 
 namespace ash {
 namespace test {
 
 TestShellDelegate::TestShellDelegate()
     : locked_(false),
       spoken_feedback_enabled_(false) {
 }
 
@@ skipping 107 matching lines @@
 
 void TestShellDelegate::HandleMediaPrevTrack() {
 }
 
 string16 TestShellDelegate::GetTimeRemainingString(base::TimeDelta delta) {
   return string16();
 }
 
 }  // namespace test
 }  // namespace ash