Remove FileUtilProxy:DeleteFile().

chrome/browser/ui/libgtkui/print_dialog_gtk.cc

 // 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.
 
 #include "chrome/browser/ui/libgtkui/print_dialog_gtk.h"
 
 #include <gtk/gtkunixprint.h>
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
-#include "base/files/file_util_proxy.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/ui/libgtkui/gtk_util.h"
 #include "chrome/browser/ui/libgtkui/printing_gtk_util.h"
 #include "printing/metafile.h"
 #include "printing/print_job_constants.h"
 #include "printing/print_settings.h"
@@ skipping 495 matching lines @@
   gtk_print_job_set_source_file(print_job, path_to_pdf_.value().c_str(), NULL);
   gtk_print_job_send(print_job, OnJobCompletedThunk, this, NULL);
 }
 
 void PrintDialogGtk2::OnJobCompleted(GtkPrintJob* print_job,
                                      const GError* error) {
   if (error)
     LOG(ERROR) << "Printing failed: " << error->message;
   if (print_job)
     g_object_unref(print_job);
-  base::FileUtilProxy::DeleteFile(
-      BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE).get(),
-      path_to_pdf_, false, base::FileUtilProxy::StatusCallback());
+  BrowserThread::PostTask(
+      BrowserThread::FILE, FROM_HERE,
+      base::Bind(base::IgnoreResult(&base::DeleteFile), path_to_pdf_, false));
   // Printing finished. Matches AddRef() in PrintDocument();
   Release();
 }
 
 void PrintDialogGtk2::InitPrintSettings(PrintSettings* settings) {
   InitPrintSettingsGtk(gtk_settings_, page_setup_, settings);
   context_->InitWithSettings(*settings);
 }
 
 void PrintDialogGtk2::OnWindowDestroying(aura::Window* window) {
   DCHECK_EQ(libgtkui::GetAuraTransientParent(dialog_), window);
 
   libgtkui::ClearAuraTransientParent(dialog_);
   window->RemoveObserver(this);
   if (!callback_.is_null()) {
     callback_.Run(PrintingContextLinux::CANCEL);
     callback_.Reset();
   }
 }