Remove unused include in sequenced_worker_pool.h

services/ui/ws/server_window_compositor_frame_sink.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 "services/ui/ws/server_window_compositor_frame_sink.h"
 
 #include "base/callback.h"
 #include "base/message_loop/message_loop.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/output_surface.h"
 #include "cc/output/texture_mailbox_deleter.h"
 #include "cc/quads/shared_quad_state.h"
 #include "cc/quads/surface_draw_quad.h"
 #include "cc/scheduler/begin_frame_source.h"
 #include "cc/surfaces/display_scheduler.h"
 #include "services/ui/surfaces/direct_output_surface.h"
 #include "services/ui/surfaces/display_compositor.h"
 #include "services/ui/ws/server_window.h"
@@ skipping 153 matching lines @@
             std::back_inserter(surface_returned_resources_));
 }
 
 void ServerWindowCompositorFrameSink::SetBeginFrameSource(
     cc::BeginFrameSource* begin_frame_source) {
   // TODO(tansell): Implement this.
 }
 
 }  // namespace ws
 }  // namespace ui