Added GetNetworkOperatorID util func in net/base/net_util and a non-trivial implementation for Andr…

net/base/net_util_posix.cc

 // Copyright (c) 2011 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 "net/base/net_util.h"
 
 #include <set>
 #include <sys/types.h>
 
 #include "base/files/file_path.h"
@@ skipping 220 matching lines @@
     networks->push_back(network_infos[i].interface);
   }
   return true;
 #endif
 }
 
 WifiPHYLayerProtocol GetWifiPHYLayerProtocol() {
   return WIFI_PHY_LAYER_PROTOCOL_UNKNOWN;
 }
 
+std::string GetNetworkOperatorID() {
+#if defined(OS_ANDROID)
+  return android::GetNetworkOperatorID();
+#else
+  return "";
+#endif
+}
+
 }  // namespace net