Revert of Change base::Value::ListStorage to std::vector<base::Value>

chromeos/network/geolocation_handler.cc

Index: chromeos/network/geolocation_handler.cc
diff --git a/chromeos/network/geolocation_handler.cc b/chromeos/network/geolocation_handler.cc
index 7ae451c51aed6c297913f8b3fcc8c37805cacc71..a1c0b5eaf63986c0ca38dd17d7fa3bd1999bda37 100644
--- a/chromeos/network/geolocation_handler.cc
+++ b/chromeos/network/geolocation_handler.cc
@@ -112,7 +112,7 @@
   for (base::ListValue::const_iterator iter = technologies->begin();
        iter != technologies->end(); ++iter) {
     std::string technology;
-    iter->GetAsString(&technology);
+    (*iter)->GetAsString(&technology);
     if (technology == shill::kTypeWifi) {
       wifi_enabled_ = true;
     } else if (technology == shill::kTypeCellular) {