Automated IWYU fix for TaskRunner includes.

components/update_client/component_patcher.h

 // Copyright 2014 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.
 
 // Component updates can be either differential updates or full updates.
 // Full updates come in CRX format; differential updates come in CRX-style
 // archives, but have a different magic number. They contain "commands.json", a
 // list of commands for the patcher to follow. The patcher uses these commands,
 // the other files in the archive, and the files from the existing installation
 // of the component to create the contents of a full update, which is then
@@ skipping 14 matching lines @@
 // the server so that a proper differential update can be provided next cycle.
 
 #ifndef COMPONENTS_UPDATE_CLIENT_COMPONENT_PATCHER_H_
 #define COMPONENTS_UPDATE_CLIENT_COMPONENT_PATCHER_H_
 
 #include <memory>
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
+#include "base/sequenced_task_runner.h"
 #include "base/values.h"
 #include "components/update_client/component_unpacker.h"
 
 namespace base {
 class FilePath;
 }
 
 namespace update_client {
 
 class CrxInstaller;
@@ skipping 52 matching lines @@
   base::ListValue::const_iterator next_command_;
   scoped_refptr<DeltaUpdateOp> current_operation_;
   scoped_refptr<base::SequencedTaskRunner> task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(ComponentPatcher);
 };
 
 }  // namespace update_client
 
 #endif  // COMPONENTS_UPDATE_CLIENT_COMPONENT_PATCHER_H_