AU: Make proxy resolution asynchronous.

utils.cc

 // Copyright (c) 2009 The Chromium OS 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 "update_engine/utils.h"
 
 #include <sys/mount.h>
 #include <sys/resource.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
 #include <algorithm>
 
 #include <base/eintr_wrapper.h>
 #include <base/file_path.h>
 #include <base/file_util.h>
 #include <base/rand_util.h>
 #include <base/string_util.h>
 #include <base/logging.h>
 #include <cros_boot_mode/boot_mode.h>
+#include <google/protobuf/stubs/common.h>
 #include <rootdev/rootdev.h>
 
 #include "update_engine/file_writer.h"
 #include "update_engine/omaha_request_params.h"
 #include "update_engine/subprocess.h"
 
 using std::min;
 using std::string;
 using std::vector;
 
@@ skipping 505 matching lines @@
                       ProcessPriority priority_rhs) {
   return static_cast<int>(priority_rhs) - static_cast<int>(priority_lhs);
 }
 
 int FuzzInt(int value, unsigned int range) {
   int min = value - range / 2;
   int max = value + range - range / 2;
   return base::RandInt(min, max);
 }
 
+gboolean GlibRunClosure(gpointer data) {
+  google::protobuf::Closure* callback =
+      reinterpret_cast<google::protobuf::Closure*>(data);
+  callback->Run();
+  return FALSE;
+}
+
 const char* const kStatefulPartition = "/mnt/stateful_partition";
 
 }  // namespace utils
 
 }  // namespace chromeos_update_engine