Remove unused include in sequenced_worker_pool.h

content/browser/devtools/protocol/tethering_handler.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.
 
 #ifndef CONTENT_BROWSER_DEVTOOLS_PROTOCOL_TETHERING_HANDLER_H_
 #define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_TETHERING_HANDLER_H_
 
 #include <stdint.h>
 #include <string>
 
 #include "base/macros.h"
+#include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
+#include "base/single_thread_task_runner.h"
 #include "content/browser/devtools/protocol/devtools_protocol_dispatcher.h"
 
 namespace net {
 class ServerSocket;
 }
 
 namespace content {
 namespace devtools {
 namespace tethering {
 
@@ skipping 33 matching lines @@
   static TetheringImpl* impl_;
 
   DISALLOW_COPY_AND_ASSIGN(TetheringHandler);
 };
 
 }  // namespace tethering
 }  // namespace devtools
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_TETHERING_HANDLER_H_