[Sync] Removing duplicated includes between cc and h files.

chrome/browser/sync/test/integration/sessions_helper.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 "chrome/browser/sync/test/integration/sessions_helper.h"
 
 #include <stddef.h>
 
-#include <algorithm>
 #include <set>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "base/test/test_timeouts.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/browser/sync/sessions/notification_service_sessions_router.h"
 #include "chrome/browser/sync/test/integration/multi_client_status_change_checker.h"
 #include "chrome/browser/sync/test/integration/profile_sync_service_harness.h"
 #include "chrome/browser/sync/test/integration/sync_datatype_helper.h"
-#include "chrome/browser/sync/test/integration/sync_test.h"
 #include "chrome/browser/ui/singleton_tabs.h"
 #include "chrome/common/chrome_switches.h"
 #include "components/browser_sync/profile_sync_service.h"
 #include "components/sync/driver/sync_client.h"
 #include "components/sync_sessions/open_tabs_ui_delegate.h"
 #include "content/public/test/test_utils.h"
 #include "url/gurl.h"
 
 using sync_datatype_helper::test;
 
@@ skipping 383 matching lines @@
   return !checker.TimedOut();
 }
 
 void DeleteForeignSession(int index, std::string session_tag) {
   ProfileSyncServiceFactory::GetInstance()->GetForProfile(
       test()->GetProfile(index))->
           GetOpenTabsUIDelegate()->DeleteForeignSession(session_tag);
 }
 
 }  // namespace sessions_helper