Clean up unused grit header includes in chrome/

chrome/browser/download/notification/download_item_notification.cc

 // Copyright 2015 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 "chrome/browser/download/notification/download_item_notification.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/files/file_util.h"
 #include "base/metrics/user_metrics.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/task_scheduler/post_task.h"
 #include "build/build_config.h"
 #include "chrome/app/vector_icons/vector_icons.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/download_crx_util.h"
 #include "chrome/browser/download/download_item_model.h"
 #include "chrome/browser/download/notification/download_notification_manager.h"
 #include "chrome/browser/notifications/notification.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
 #include "chrome/browser/notifications/profile_notification.h"
 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
-#include "chrome/grit/theme_resources.h"
 #include "components/mime_util/mime_util.h"
 #include "components/url_formatter/elide_url.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/download_interrupt_reasons.h"
 #include "content/public/browser/download_item.h"
 #include "content/public/browser/page_navigator.h"
 #include "content/public/browser/web_contents.h"
 #include "net/base/mime_util.h"
 #include "third_party/skia/include/core/SkCanvas.h"
@@ skipping 890 matching lines @@
   const std::string notification_id_in_message_center = notification->id();
 
   message_center::NotificationList::Notifications visible_notifications =
       message_center_->GetVisibleNotifications();
   for (auto* notification : visible_notifications) {
     if (notification->id() == notification_id_in_message_center)
       return true;
   }
   return false;
 }