Clean up unused grit header includes in chrome/

chrome/browser/download/notification/download_notification_browsertest.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 <stddef.h>
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/download/chrome_download_manager_delegate.h"
 #include "chrome/browser/download/download_core_service.h"
 #include "chrome/browser/download/download_core_service_factory.h"
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
-#include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
-#include "chrome/grit/theme_resources.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "chromeos/chromeos_switches.h"
 #include "components/prefs/pref_service.h"
 #include "components/session_manager/core/session_manager.h"
 #include "components/signin/core/browser/signin_manager_base.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/download_item.h"
 #include "content/public/browser/download_manager.h"
 #include "content/public/test/download_test_observer.h"
@@ skipping 1260 matching lines @@
   EXPECT_EQ(message_center::NOTIFICATION_TYPE_BASE_FORMAT,
             GetNotification(notification_id_user1)->type());
   EXPECT_EQ(message_center::NOTIFICATION_TYPE_BASE_FORMAT,
             GetNotification(notification_id_user2_1)->type());
   // Normal notifications for user2.
   EXPECT_EQ(message_center::NOTIFICATION_TYPE_BASE_FORMAT,
             GetNotification(notification_id_user2_1)->type());
   EXPECT_EQ(message_center::NOTIFICATION_TYPE_BASE_FORMAT,
             GetNotification(notification_id_user2_2)->type());
 }