Fix include path for moved thread_task_runner_handle.h header in ios/

ios/chrome/browser/ntp_snippets/ios_chrome_ntp_snippets_service_factory.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 "ios/chrome/browser/ntp_snippets/ios_chrome_ntp_snippets_service_factory.h"
 
 #include "base/json/json_reader.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/singleton.h"
-#include "base/thread_task_runner_handle.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "components/image_fetcher/image_fetcher.h"
 #include "components/keyed_service/ios/browser_state_dependency_manager.h"
 #include "components/ntp_snippets/ntp_snippets_fetcher.h"
 #include "components/ntp_snippets/ntp_snippets_service.h"
 #include "components/version_info/version_info.h"
 #include "ios/chrome/browser/application_context.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/suggestions/image_fetcher_impl.h"
 #include "ios/chrome/browser/suggestions/suggestions_service_factory.h"
@@ skipping 69 matching lines @@
               base::SequencedWorkerPool::CONTINUE_ON_SHUTDOWN);
   return base::WrapUnique(new ntp_snippets::NTPSnippetsService(
       chrome_browser_state->GetPrefs(), suggestions_service, task_runner,
       GetApplicationContext()->GetApplicationLocale(), scheduler,
       base::WrapUnique(new ntp_snippets::NTPSnippetsFetcher(
           request_context, base::Bind(&ParseJson),
           GetChannel() == version_info::Channel::STABLE)),
       base::WrapUnique(new ImageFetcherImpl(
           request_context.get(), web::WebThread::GetBlockingPool()))));
 }