Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/media/webrtc_log_uploader.cc

 // Copyright 2013 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/media/webrtc_log_uploader.h"
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/memory/shared_memory.h"
@@ skipping 284 matching lines @@
       // check and + 1 to get the length.
       contents.erase(0, i + 2);
     }
   }
 
   // Write the Unix time and report ID to the log list file.
   base::Time time_now = base::Time::Now();
   contents += base::DoubleToString(time_now.ToDoubleT()) +
               "," + report_id + '\n';
 
-  int written = file_util::WriteFile(upload_list_path, &contents[0],
-                                     contents.size());
+  int written =
+      base::WriteFile(upload_list_path, &contents[0], contents.size());
   DPCHECK(written == static_cast<int>(contents.size()));
 }
 
 void WebRtcLogUploader::NotifyUploadDone(
     int response_code,
     const std::string& report_id,
     const WebRtcLogUploadDoneData& upload_done_data) {
   content::BrowserThread::PostTask(content::BrowserThread::IO, FROM_HERE,
       base::Bind(&WebRtcLoggingHandlerHost::UploadLogDone,
                  upload_done_data.host));
   if (!upload_done_data.callback.is_null()) {
     bool success = response_code == kHttpResponseOk;
     std::string error_message;
     if (!success) {
       error_message = "Uploading failed, response code: " +
                       base::IntToString(response_code);
     }
     content::BrowserThread::PostTask(
         content::BrowserThread::UI, FROM_HERE,
         base::Bind(upload_done_data.callback, success, report_id,
                    error_message));
   }
 }