Automated IWYU fix for TaskRunner includes.

cc/test/test_compositor_frame_sink.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 "cc/test/test_compositor_frame_sink.h"
 
 #include <stdint.h>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
+#include "base/single_thread_task_runner.h"
 #include "cc/output/begin_frame_args.h"
 #include "cc/output/compositor_frame_sink_client.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/output/direct_renderer.h"
 #include "cc/output/output_surface.h"
 #include "cc/output/texture_mailbox_deleter.h"
 #include "cc/surfaces/compositor_frame_sink_support.h"
 
 namespace cc {
 
@@ skipping 176 matching lines @@
   support_->SetNeedsBeginFrame(needs_begin_frames);
 }
 
 void TestCompositorFrameSink::OnDidFinishFrame(const BeginFrameAck& ack) {}
 
 void TestCompositorFrameSink::SendCompositorFrameAckToClient() {
   client_->DidReceiveCompositorFrameAck();
 }
 
 }  // namespace cc