Move file_util::Delete to the base namespace

printing/backend/print_backend_cups.cc

 // Copyright (c) 2012 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 "printing/backend/print_backend.h"
 
 #include "build/build_config.h"
 
 #include <dlfcn.h>
 #include <errno.h>
@@ skipping 228 matching lines @@
   // In some cases CUPS failed to get ppd file.
   if (ppd_path.empty()) {
     LOG(ERROR) << "CUPS: Failed to get PPD"
                << ", printer name: " << printer_name;
     return false;
   }
 
   std::string content;
   bool res = file_util::ReadFileToString(ppd_path, &content);
 
-  file_util::Delete(ppd_path, false);
+  base::Delete(ppd_path, false);
 
   if (res) {
     printer_info->printer_capabilities.swap(content);
     printer_info->caps_mime_type = "application/pagemaker";
     // In CUPS, printer defaults is a part of PPD file. Nothing to upload here.
     printer_info->printer_defaults.clear();
     printer_info->defaults_mime_type.clear();
   }
 
   return res;
@@ skipping 101 matching lines @@
       // since some http reponses are encoded and content_length > file size.
       // Let's just check for the obvious CUPS and http errors here.
       ppd_path = base::FilePath(ppd_file_path);
       ipp_status_t error_code = cupsLastError();
       int http_error = httpError(http.http());
       if (error_code > IPP_OK_EVENTS_COMPLETE || http_error != 0) {
         LOG(ERROR) << "Error downloading PPD file"
                    << ", name: " << name
                    << ", CUPS error: " << static_cast<int>(error_code)
                    << ", HTTP error: " << http_error;
-        file_util::Delete(ppd_path, false);
+        base::Delete(ppd_path, false);
         ppd_path.clear();
       }
     }
   }
   return ppd_path;
 }
 
 }  // namespace printing