Automated IWYU fix for TaskRunner includes.

chrome/browser/component_updater/subresource_filter_component_installer_unittest.cc

 // Copyright 2016 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/component_updater/subresource_filter_component_installer.h"
 
 #include <map>
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/field_trial.h"
 #include "base/run_loop.h"
+#include "base/sequenced_task_runner.h"
 #include "base/strings/string_util.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/version.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "components/component_updater/mock_component_updater_service.h"
 #include "components/prefs/testing_pref_service.h"
 #include "components/subresource_filter/content/browser/content_ruleset_service.h"
 #include "components/subresource_filter/core/browser/ruleset_service.h"
 #include "components/subresource_filter/core/browser/subresource_filter_constants.h"
 #include "components/subresource_filter/core/browser/subresource_filter_features.h"
@@ skipping 273 matching lines @@
   constexpr char kTagKey[] = "tag";
   constexpr char kTagValue[] = "a";
 
   subresource_filter::testing::ScopedSubresourceFilterConfigurator
       scoped_configuration(CreateConfigUsingRulesetFlavor(kTagValue));
   EXPECT_EQ(update_client::InstallerAttributes({{kTagKey, kTagValue}}),
             GetInstallerAttributes());
 }
 
 }  // namespace component_updater