No dbus::FileDescriptor in DebugDaemonClient

chrome/browser/metrics/perf/perf_output.h

 // 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.
 
 #ifndef CHROME_BROWSER_METRICS_PERF_PERF_OUTPUT_H_
 #define CHROME_BROWSER_METRICS_PERF_PERF_OUTPUT_H_
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "base/time/time.h"
 #include "chromeos/dbus/pipe_reader.h"
-#include "dbus/file_descriptor.h"
 
 // Class for handling getting output from perf over DBus. Manages the
 // asynchronous DBus call and retrieving data from quipper over a pipe.
 class PerfOutputCall {
  public:
   // Called once GetPerfOutput() is complete, or an error occurred.
   // The callback may delete this object.
   // The argument is one of:
   // - Output from "perf record", in PerfDataProto format, OR
   // - Output from "perf stat", in PerfStatProto format, OR
   // - The empty string if there was an error.
   using DoneCallback = base::Callback<void(const std::string& perf_stdout)>;
 
   PerfOutputCall(scoped_refptr<base::TaskRunner> blocking_task_runner,
                  base::TimeDelta duration,
                  const std::vector<std::string>& perf_args,
                  const DoneCallback& callback);
   ~PerfOutputCall();
 
  private:
   // Internal callbacks.
-  void OnFileDescriptorCreated(dbus::ScopedFileDescriptor file_descriptor);
   void OnIOComplete();
   void OnGetPerfOutputError(const std::string& error_name,
                             const std::string& error_message);
 
   // Used to run IO tasks.
   scoped_refptr<base::TaskRunner> blocking_task_runner_;
   // Used to capture perf data written to a pipe.
   std::unique_ptr<chromeos::PipeReaderForString> perf_data_pipe_reader_;
 
   // Saved arguments.
   base::TimeDelta duration_;
   std::vector<std::string> perf_args_;
   DoneCallback done_callback_;
 
   base::ThreadChecker thread_checker_;
 
   // To pass around the "this" pointer across threads safely.
   base::WeakPtrFactory<PerfOutputCall> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PerfOutputCall);
 };
 
 #endif  // CHROME_BROWSER_METRICS_PERF_PERF_OUTPUT_H_